commit 4465df626684fdc8eeb25ca248218cde2eeeb9ec
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Wed Sep 16 17:27:09 2020 -0700
committer GitHub <noreply@github.com> Wed Sep 16 17:27:09 2020 -0700
tree 88de86b0a37b61f7ef17b4c831e5f2cdc381b42b
parent 48f99250ff319e36b15b555128cd62e408d8165f

_auto_called cleanup (GH-22285)

(cherry picked from commit fc23a9483ef0d7c98bea9f82392377d0b6ef7b18)

Co-authored-by: Ethan Furman <ethan@stoneleaf.us>

Lib/enum.py

diff --git a/Lib/enum.py b/Lib/enum.py
index bdbfbb6..da5a31f 100644
--- a/Lib/enum.py
+++ b/Lib/enum.py
@@ -104,9 +104,9 @@
                 # enum overwriting a descriptor?
                 raise TypeError('%r already defined as: %r' % (key, self[key]))
             if isinstance(value, auto):
-                self._auto_called = True
                 if value.value == _auto_null:
                     value.value = self._generate_next_value(key, 1, len(self._member_names), self._last_values[:])
+                    self._auto_called = True
                 value = value.value
             self._member_names.append(key)
             self._last_values.append(value)