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-rw-r--r--Lib/typing.py13
1 files changed, 6 insertions, 7 deletions
diff --git a/Lib/typing.py b/Lib/typing.py
index da393ee..086d0f3 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -600,7 +600,9 @@ def Concatenate(self, parameters):
"ParamSpec variable.")
msg = "Concatenate[arg, ...]: each arg must be a type."
parameters = (*(_type_check(p, msg) for p in parameters[:-1]), parameters[-1])
- return _ConcatenateGenericAlias(self, parameters)
+ return _ConcatenateGenericAlias(self, parameters,
+ _typevar_types=(TypeVar, ParamSpec),
+ _paramspec_tvars=True)
@_SpecialForm
@@ -1079,7 +1081,9 @@ class _GenericAlias(_BaseGenericAlias, _root=True):
return self.copy_with(tuple(new_args))
def copy_with(self, params):
- return self.__class__(self.__origin__, params, name=self._name, inst=self._inst)
+ return self.__class__(self.__origin__, params, name=self._name, inst=self._inst,
+ _typevar_types=self._typevar_types,
+ _paramspec_tvars=self._paramspec_tvars)
def __repr__(self):
if self._name:
@@ -1281,11 +1285,6 @@ class _LiteralGenericAlias(_GenericAlias, _root=True):
class _ConcatenateGenericAlias(_GenericAlias, _root=True):
- def __init__(self, *args, **kwargs):
- super().__init__(*args, **kwargs,
- _typevar_types=(TypeVar, ParamSpec),
- _paramspec_tvars=True)
-
def copy_with(self, params):
if isinstance(params[-1], (list, tuple)):
return (*params[:-1], *params[-1])