From: Nikita Sobolev <mail@sobolevn.me>
Date: Tue, 30 Apr 2024 15:44:37 +0000 (+0300)
Subject: gh-118418: Use a default value for `type_params` in `typing._eval_type` (#118431)
X-Git-Tag: v3.13.0b1~206
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4a5ad8469af9a6fc0ec1355eb203cc22bb4321d5;p=thirdparty%2FPython%2Fcpython.git

gh-118418: Use a default value for `type_params` in `typing._eval_type` (#118431)
---

diff --git a/Lib/typing.py b/Lib/typing.py
index b3f4ba99f9ec..eff65cfb68b8 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -400,7 +400,7 @@ def _tp_cache(func=None, /, *, typed=False):
     return decorator
 
 
-def _eval_type(t, globalns, localns, type_params, *, recursive_guard=frozenset()):
+def _eval_type(t, globalns, localns, type_params=None, *, recursive_guard=frozenset()):
     """Evaluate all forward references in the given type t.
 
     For use of globalns and localns see the docstring for get_type_hints().
@@ -981,7 +981,7 @@ class ForwardRef(_Final, _root=True):
         self.__forward_is_class__ = is_class
         self.__forward_module__ = module
 
-    def _evaluate(self, globalns, localns, type_params, *, recursive_guard):
+    def _evaluate(self, globalns, localns, type_params=None, *, recursive_guard):
         if self.__forward_arg__ in recursive_guard:
             return self
         if not self.__forward_evaluated__ or localns is not globalns: