Pin typing_extenions version

Author: dmontagu

pyproject.toml

@@ -1,5 +1,9 @@
 [build-system]
-requires = ['maturin>=1,<2', 'typing_extensions']
+requires = [
+    'maturin>=1,<2',
+    'typing-extensions >=4.6.0; platform_python_implementation != "pypy"',
+    'typing-extensions >=4.6.0,<4.7.0; platform_python_implementation == "pypy"'
+]
 build-backend = 'maturin'
 
 [project]
@@ -29,7 +33,8 @@ classifiers = [
     'Typing :: Typed',
 ]
 dependencies = [
-    'typing-extensions==4.6.3',
+    'typing-extensions >=4.6.0; platform_python_implementation != "pypy"',
+    'typing-extensions >=4.6.0,<4.7.0; platform_python_implementation == "pypy"'
 ]
 dynamic = [
     'description',

python/pydantic_core/core_schema.py

@@ -33,8 +33,6 @@ def dict_not_none(**kwargs: Any) -> Any:
 
 ExtraBehavior = Literal['allow', 'forbid', 'ignore']
 
-assert False, TypedDict
-
 
 class CoreConfig(TypedDict, total=False):
     """

tests/requirements.txt

@@ -9,4 +9,3 @@ pytest-pretty==1.1.1
 pytest-timeout==2.1.0
 pydantic==1.10.4;python_version>="3.8"
 pytz==2022.7.1
-typing_extensions==4.6.3