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-rw-r--r--sphinx/util/inspect.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/sphinx/util/inspect.py b/sphinx/util/inspect.py
index 61061a9af..863e731ff 100644
--- a/sphinx/util/inspect.py
+++ b/sphinx/util/inspect.py
@@ -16,7 +16,7 @@ import sys
inspect = __import__('inspect')
from sphinx.util import force_decode
-from sphinx.util.pycompat import bytes
+from sphinx.util.pycompat import bytes, builtins
if sys.version_info >= (3, 0):
@@ -151,6 +151,6 @@ def is_builtin_class_method(obj, attr_name):
classes = [c for c in inspect.getmro(obj) if attr_name in c.__dict__]
cls = classes[0] if classes else object
- if not hasattr(__builtins__, cls.__name__):
+ if not hasattr(builtins, safe_getattr(cls, '__name__', '')):
return False
- return getattr(__builtins__, cls.__name__) is cls
+ return getattr(builtins, safe_getattr(cls, '__name__', '')) is cls