diff --git a/docs/notebooks/IBVS.ipynb b/docs/notebooks/IBVS.ipynb
index a080bc17..219ba218 100644
--- a/docs/notebooks/IBVS.ipynb
+++ b/docs/notebooks/IBVS.ipynb
@@ -67,15 +67,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/_mvtb_nb_bootstrap.py b/docs/notebooks/_mvtb_nb_bootstrap.py
index 6eb31f55..3e7cbcb7 100644
--- a/docs/notebooks/_mvtb_nb_bootstrap.py
+++ b/docs/notebooks/_mvtb_nb_bootstrap.py
@@ -25,15 +25,29 @@ async def ensure_installed() -> bool:
         await micropip.install(
             [
                 "opencv-python",
-                "spatialmath-python",
-                "pgraph-python",
                 "ansitable",
                 "mvtb-data",
                 "tqdm",
                 "requests",
                 "ipywidgets",
+                # runtime dependencies of spatialmath-python and pgraph-python,
+                # listed here because those two are installed with deps=False below
+                "numpy",
+                "scipy",
+                "matplotlib",
+                "typing_extensions",
             ]
         )
+        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime
+        # dependency; its virtualenv requires packaging>=26.3, which conflicts with
+        # the packaging 24.2 built into Pyodide, so a normal resolve fails.
+        # pgraph-python depends on spatialmath-python, so it needs the same
+        # treatment.  Remove once a spatialmath release without that dependency is
+        # out (rai-opensource/spatialmath-python#250) and install both normally.
+        await micropip.install(
+            ["spatialmath-python", "pgraph-python"],
+            deps=False,
+        )
         import cv2  # noqa: F401 - force cv2 into module registry before toolbox import
 
         wheels = sorted(Path("/pypi").glob("machinevision_toolbox_python-*.whl"))
diff --git a/docs/notebooks/calibration.ipynb b/docs/notebooks/calibration.ipynb
index 5fa94f99..cfb406f3 100644
--- a/docs/notebooks/calibration.ipynb
+++ b/docs/notebooks/calibration.ipynb
@@ -56,15 +56,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/camera.ipynb b/docs/notebooks/camera.ipynb
index dbec864c..e72d5240 100644
--- a/docs/notebooks/camera.ipynb
+++ b/docs/notebooks/camera.ipynb
@@ -69,15 +69,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/camera_animation.ipynb b/docs/notebooks/camera_animation.ipynb
index 6a730926..ff6e9c2c 100644
--- a/docs/notebooks/camera_animation.ipynb
+++ b/docs/notebooks/camera_animation.ipynb
@@ -65,15 +65,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/color-images.ipynb b/docs/notebooks/color-images.ipynb
index d4b84cbd..89121510 100644
--- a/docs/notebooks/color-images.ipynb
+++ b/docs/notebooks/color-images.ipynb
@@ -65,15 +65,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/exploring-images.ipynb b/docs/notebooks/exploring-images.ipynb
index f41811a1..acff577b 100644
--- a/docs/notebooks/exploring-images.ipynb
+++ b/docs/notebooks/exploring-images.ipynb
@@ -63,15 +63,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/fiducials.ipynb b/docs/notebooks/fiducials.ipynb
index 9f3eaccf..b57cda4a 100644
--- a/docs/notebooks/fiducials.ipynb
+++ b/docs/notebooks/fiducials.ipynb
@@ -69,15 +69,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/finding-blobs.ipynb b/docs/notebooks/finding-blobs.ipynb
index 640dd381..db6090cf 100644
--- a/docs/notebooks/finding-blobs.ipynb
+++ b/docs/notebooks/finding-blobs.ipynb
@@ -69,15 +69,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/gamma.ipynb b/docs/notebooks/gamma.ipynb
index 440c14c8..9c8becb8 100644
--- a/docs/notebooks/gamma.ipynb
+++ b/docs/notebooks/gamma.ipynb
@@ -65,15 +65,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/greyscale-images.ipynb b/docs/notebooks/greyscale-images.ipynb
index 616a4d32..158cdd3f 100644
--- a/docs/notebooks/greyscale-images.ipynb
+++ b/docs/notebooks/greyscale-images.ipynb
@@ -65,15 +65,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/homogeneous-coords.ipynb b/docs/notebooks/homogeneous-coords.ipynb
index 1bb3cee3..2224ab8a 100644
--- a/docs/notebooks/homogeneous-coords.ipynb
+++ b/docs/notebooks/homogeneous-coords.ipynb
@@ -56,15 +56,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/homography.ipynb b/docs/notebooks/homography.ipynb
index b47aa12b..6a839b69 100644
--- a/docs/notebooks/homography.ipynb
+++ b/docs/notebooks/homography.ipynb
@@ -69,15 +69,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/image-convolution.ipynb b/docs/notebooks/image-convolution.ipynb
index 2fb5d8f9..c7d65e25 100644
--- a/docs/notebooks/image-convolution.ipynb
+++ b/docs/notebooks/image-convolution.ipynb
@@ -65,15 +65,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/image-features.ipynb b/docs/notebooks/image-features.ipynb
index eccfce32..4a01bacc 100644
--- a/docs/notebooks/image-features.ipynb
+++ b/docs/notebooks/image-features.ipynb
@@ -69,15 +69,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/image-motion.ipynb b/docs/notebooks/image-motion.ipynb
index f51598e5..690394f2 100644
--- a/docs/notebooks/image-motion.ipynb
+++ b/docs/notebooks/image-motion.ipynb
@@ -67,15 +67,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/image-processing.ipynb b/docs/notebooks/image-processing.ipynb
index 753c95d0..b81d6feb 100644
--- a/docs/notebooks/image-processing.ipynb
+++ b/docs/notebooks/image-processing.ipynb
@@ -65,15 +65,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",
diff --git a/docs/notebooks/intro.ipynb b/docs/notebooks/intro.ipynb
index f38007a4..57b479ec 100644
--- a/docs/notebooks/intro.ipynb
+++ b/docs/notebooks/intro.ipynb
@@ -46,15 +46,29 @@
     "        await micropip.install(\n",
     "            [\n",
     "                \"opencv-python\",\n",
-    "                \"spatialmath-python\",\n",
-    "                \"pgraph-python\",\n",
     "                \"ansitable\",\n",
     "                \"mvtb-data\",\n",
     "                \"tqdm\",\n",
     "                \"requests\",\n",
     "                \"ipywidgets\",\n",
+    "                # runtime dependencies of spatialmath-python and pgraph-python,\n",
+    "                # listed here because those two are installed with deps=False below\n",
+    "                \"numpy\",\n",
+    "                \"scipy\",\n",
+    "                \"matplotlib\",\n",
+    "                \"typing_extensions\",\n",
     "            ]\n",
     "        )\n",
+    "        # spatialmath-python <= 1.1.18 lists pre-commit (a dev tool) as a runtime\n",
+    "        # dependency; its virtualenv requires packaging>=26.3, which conflicts with\n",
+    "        # the packaging 24.2 built into Pyodide, so a normal resolve fails.\n",
+    "        # pgraph-python depends on spatialmath-python, so it needs the same\n",
+    "        # treatment.  Remove once a spatialmath release without that dependency is\n",
+    "        # out (rai-opensource/spatialmath-python#250) and install both normally.\n",
+    "        await micropip.install(\n",
+    "            [\"spatialmath-python\", \"pgraph-python\"],\n",
+    "            deps=False,\n",
+    "        )\n",
     "        import cv2  # noqa: F401 - force cv2 into module registry before toolbox import\n",
     "\n",
     "        wheels = sorted(Path(\"/pypi\").glob(\"machinevision_toolbox_python-*.whl\"))\n",