bpo-44342: [Enum] fix data type search (GH-26667)
In an inheritance chain of
int -> my_int -> final_int
the data type is now final_int (not my_int)
(cherry picked from commit 3a7cccfd6cd3693e1a2ab65ee05d7f45f8501dfa)
Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
diff --git a/Lib/enum.py b/Lib/enum.py
index 9f9c89e..49c46ea 100644
--- a/Lib/enum.py
+++ b/Lib/enum.py
@@ -823,7 +823,7 @@ def _find_data_type(bases):
data_types.add(candidate or base)
break
else:
- candidate = base
+ candidate = candidate or base
if len(data_types) > 1:
raise TypeError('%r: too many data types: %r' % (class_name, data_types))
elif data_types: