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Fix argument redefinition in function #144372

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Fix argument redefinition in function #144372

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11 changes: 7 additions & 4 deletions Lib/ast.py
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Original file line number Diff line number Diff line change
Expand Up @@ -316,11 +316,14 @@ def get_docstring(node, clean=True):
"""
if not isinstance(node, (AsyncFunctionDef, FunctionDef, ClassDef, Module)):
raise TypeError("%r can't have docstrings" % node.__class__.__name__)
if not(node.body and isinstance(node.body[0], Expr)):
if not (node.body and isinstance(node.body[0], Expr)):
return None
node = node.body[0].value
if isinstance(node, Constant) and isinstance(node.value, str):
text = node.value
checking_node = node.body[0].value
if (
isinstance(checking_node, Constant)
and isinstance(checking_node.value, str)
):
text = checking_node.value
else:
return None
if clean:
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