diff --git a/src/machinevisiontoolbox/Sources.py b/src/machinevisiontoolbox/Sources.py
index efe1366a..7b3cb74a 100644
--- a/src/machinevisiontoolbox/Sources.py
+++ b/src/machinevisiontoolbox/Sources.py
@@ -4137,17 +4137,14 @@ class reads the JSON file and extracts the image, polygonal shapes, and associat
     def __init__(self, filename: str) -> None:
         self.filename = filename
 
-        try:
-            if str(filename).startswith(("http://", "https://")):
-                import urllib.request
+        if str(filename).startswith(("http://", "https://")):
+            import urllib.request
 
-                with urllib.request.urlopen(filename) as response:  # noqa: S310
-                    self.data = json.loads(response.read().decode("utf-8"))
-            else:
-                with open(self.filename, "r", encoding="utf-8") as f:
-                    self.data = json.load(f)
-        except (OSError, json.JSONDecodeError, TypeError, ValueError):
-            return None
+            with urllib.request.urlopen(filename) as response:  # noqa: S310
+                self.data = json.loads(response.read().decode("utf-8"))
+        else:
+            with open(self.filename, "r", encoding="utf-8") as f:
+                self.data = json.load(f)
         self._nshapes = len(self.data.get("shapes", []))
         self._version = self.data.get("version")