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Fix typing.UnionMeta is available on py35 or below

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This commit is contained in:
Takeshi KOMIYA 2017-06-17 18:38:52 +09:00
parent 27637d73e1
commit cf69067955
1 changed files with 2 additions and 1 deletions
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3
sphinx/util/inspect.py
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@ -422,7 +422,8 @@ class Signature(object):
if params is not None:
param_str = ', '.join(self.format_annotation(p) for p in params)
return '%s[%s]' % (qualified_name, param_str)
elif (isinstance(annotation, typing.UnionMeta) and # type: ignore
elif (hasattr(typing, 'UnionMeta') and # for py35 or below
isinstance(annotation, typing.UnionMeta) and # type: ignore
hasattr(annotation, '__union_params__')):
params = annotation.__union_params__ # type: ignore
if params is not None: