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-rw-r--r--astroid/helpers.py8
1 files changed, 5 insertions, 3 deletions
diff --git a/astroid/helpers.py b/astroid/helpers.py
index 62da56ea..52647d88 100644
--- a/astroid/helpers.py
+++ b/astroid/helpers.py
@@ -99,14 +99,15 @@ def safe_infer(node, context=None):
inferit = node.infer(context=context)
value = next(inferit)
except exceptions.InferenceError:
- return
+ return None
try:
next(inferit)
- return # None if there is ambiguity on the inferred node
+ return None # None if there is ambiguity on the inferred node
except exceptions.InferenceError:
- return # there is some kind of ambiguity
+ return None# there is some kind of ambiguity
except StopIteration:
return value
+ return None
def has_known_bases(klass, context=None):
@@ -171,3 +172,4 @@ def class_instance_as_index(node):
return result
except exceptions.InferenceError:
pass
+ return None