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Handle empty annotation in parameter. #442

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Handle empty annotation in parameter. #442

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5 changes: 4 additions & 1 deletion ptpython/signatures.py
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Original file line number Diff line number Diff line change
Expand Up @@ -84,10 +84,13 @@ def from_inspect_signature(
) -> "Signature":
parameters = []

def get_annotation_name(annotation: object) -> str:
def get_annotation_name(annotation: object) -> None:
"""
Get annotation as string from inspect signature.
"""
if annotation == inspect.Parameter.empty:
return None

try:
# In case the annotation is a class like "int", "float", ...
return str(annotation.__name__) # type: ignore
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