diff --git a/Lib/inspect.py b/Lib/inspect.py
index 8739c9c2572643..a317f0ca74884f 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -1787,11 +1787,8 @@ def _check_instance(obj, attr):
def _check_class(klass, attr):
for entry in _static_getmro(klass):
- if _shadowed_dict(type(entry)) is _sentinel:
- try:
- return entry.__dict__[attr]
- except KeyError:
- pass
+ if _shadowed_dict(type(entry)) is _sentinel and attr in entry.__dict__:
+ return entry.__dict__[attr]
return _sentinel
def _is_type(obj):
@@ -1803,11 +1800,9 @@ def _is_type(obj):
def _shadowed_dict(klass):
for entry in _static_getmro(klass):
- try:
- class_dict = _get_dunder_dict_of_class(entry)["__dict__"]
- except KeyError:
- pass
- else:
+ dunder_dict = _get_dunder_dict_of_class(entry)
+ if '__dict__' in dunder_dict:
+ class_dict = dunder_dict['__dict__']
if not (type(class_dict) is types.GetSetDescriptorType and
class_dict.__name__ == "__dict__" and
class_dict.__objclass__ is entry):
@@ -1850,11 +1845,11 @@ def getattr_static(obj, attr, default=_sentinel):
if obj is klass:
# for types we check the metaclass too
for entry in _static_getmro(type(klass)):
- if _shadowed_dict(type(entry)) is _sentinel:
- try:
- return entry.__dict__[attr]
- except KeyError:
- pass
+ if (
+ _shadowed_dict(type(entry)) is _sentinel
+ and attr in entry.__dict__
+ ):
+ return entry.__dict__[attr]
if default is not _sentinel:
return default
raise AttributeError(attr)
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