diff --git a/Lib/typing.py b/Lib/typing.py
index 4f8cba88632d6a..62c7dd31a6290a 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -775,8 +775,7 @@ def Concatenate(self, parameters):
"ParamSpec variable or ellipsis.")
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,
- _paramspec_tvars=True)
+ return _ConcatenateGenericAlias(self, parameters)
@_SpecialForm
@@ -1307,8 +1306,7 @@ def __getattr__(self, attr):
raise AttributeError(attr)
def __setattr__(self, attr, val):
- if _is_dunder(attr) or attr in {'_name', '_inst', '_nparams',
- '_paramspec_tvars'}:
+ if _is_dunder(attr) or attr in {'_name', '_inst', '_nparams'}:
super().__setattr__(attr, val)
else:
setattr(self.__origin__, attr, val)
@@ -1362,15 +1360,13 @@ class _GenericAlias(_BaseGenericAlias, _root=True):
# ClassVar[float]
# TypeVar[bool]
- def __init__(self, origin, args, *, inst=True, name=None,
- _paramspec_tvars=False):
+ def __init__(self, origin, args, *, inst=True, name=None):
super().__init__(origin, inst=inst, name=name)
if not isinstance(args, tuple):
args = (args,)
self.__args__ = tuple(... if a is _TypingEllipsis else
a for a in args)
self.__parameters__ = _collect_parameters(args)
- self._paramspec_tvars = _paramspec_tvars
if not name:
self.__module__ = origin.__module__
@@ -1513,8 +1509,7 @@ def _make_substitution(self, args, new_arg_by_param):
return new_args
def copy_with(self, args):
- return self.__class__(self.__origin__, args, name=self._name, inst=self._inst,
- _paramspec_tvars=self._paramspec_tvars)
+ return self.__class__(self.__origin__, args, name=self._name, inst=self._inst)
def __repr__(self):
if self._name:
@@ -1624,8 +1619,7 @@ def __reduce__(self):
class _CallableType(_SpecialGenericAlias, _root=True):
def copy_with(self, params):
return _CallableGenericAlias(self.__origin__, params,
- name=self._name, inst=self._inst,
- _paramspec_tvars=True)
+ name=self._name, inst=self._inst)
def __getitem__(self, params):
if not isinstance(params, tuple) or len(params) != 2:
@@ -1869,8 +1863,7 @@ def __class_getitem__(cls, params):
new_args.append(new_arg)
params = tuple(new_args)
- return _GenericAlias(cls, params,
- _paramspec_tvars=True)
+ return _GenericAlias(cls, params)
def __init_subclass__(cls, *args, **kwargs):
super().__init_subclass__(*args, **kwargs)
diff --git a/Misc/NEWS.d/next/Library/2023-05-11-07-50-00.gh-issue-104392.YSllzt.rst b/Misc/NEWS.d/next/Library/2023-05-11-07-50-00.gh-issue-104392.YSllzt.rst
new file mode 100644
index 00000000000000..b441b2acd19f1b
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-05-11-07-50-00.gh-issue-104392.YSllzt.rst
@@ -0,0 +1,2 @@
+Remove undocumented and unused ``_paramspec_tvars`` attribute from some
+classes in :mod:`typing`.
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