preserve original traceback, cause, and context

ethanfurman · Nov 7, 2023 · d9c8cb4 · d9c8cb4
1 parent 2db65ad
commit d9c8cb4
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/Lib/enum.py b/Lib/enum.py
@@ -573,8 +573,11 @@ def __new__(metacls, cls, bases, classdict, *, boundary=None, _simple=False, **k
             # is tacked on to the error instead of raising a RuntimeError
             # recreate the exception to discard
             exc = type(e)(str(e))
+            exc.__cause__ = e.__cause__
+            exc.__context__ = e.__context__
+            tb = e.__traceback__
         if exc is not None:
-            raise exc
+            raise exc.with_traceback(tb)
         #
         # update classdict with any changes made by __init_subclass__
         classdict.update(enum_class.__dict__)