Copy sys.module.items() in case it changes during iteration. (#34592)

claudevdm · Claude · web-flow · commit 107edd78fc8a · 2025-04-10T09:27:57.000-04:00
Co-authored-by: Claude &lt;cvandermerwe@google.com&gt;
diff --git a/sdks/python/apache_beam/internal/cloudpickle_pickler.py b/sdks/python/apache_beam/internal/cloudpickle_pickler.py
@@ -82,7 +82,7 @@ def _get_proto_enum_descriptor_class():
 
 
 def _reconstruct_enum_descriptor(full_name):
-  for _, module in sys.modules.items():
+  for _, module in list(sys.modules.items()):
     if not hasattr(module, 'DESCRIPTOR'):
       continue
 
