diff options
Diffstat (limited to 'Lib/typing.py')
| -rw-r--r-- | Lib/typing.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/typing.py b/Lib/typing.py index c829898..f3cd280 100644 --- a/Lib/typing.py +++ b/Lib/typing.py @@ -691,6 +691,13 @@ class _GenericAlias(_Final, _root=True): return _GenericAlias(self.__origin__, params, name=self._name, inst=self._inst) def __repr__(self): + if (self.__origin__ == Union and len(self.__args__) == 2 + and type(None) in self.__args__): + if self.__args__[0] is not type(None): + arg = self.__args__[0] + else: + arg = self.__args__[1] + return (f'typing.Optional[{_type_repr(arg)}]') if (self._name != 'Callable' or len(self.__args__) == 2 and self.__args__[0] is Ellipsis): if self._name: |