Message 333393 - Python tracker

➜

This issue tracker has been migrated to GitHub, and is currently read-only.
For more information, see the GitHub FAQs in the Python's Developer Guide.

Content 
python3's lib2to3 would fail in silence if python3 and its packages are installed as compiled .pyc files.

Root cause is in Lib/lib2to3/refactor.py, the function get_all_fix_names only searches '.py' fix names.

=========below is workaround=========
--- a/Lib/lib2to3/refactor.py
+++ b/Lib/lib2to3/refactor.py
@@ -37,6 +37,12 @@
             if remove_prefix:
                 name = name[4:]
             fix_names.append(name[:-3])
+        if name.startswith("fix_") and name.endswith(".pyc"):
+            if remove_prefix:
+                name = name[4:]
+            name = name[:-4]
+            if name not in fix_names:
+                fix_names.append(name)
     return fix_names