Typing extensions min version (#4886)

* change dependency to "typing-extensions>=4.2.0" * add change description
pydantic · Dec 30, 2022 · 2106f1c · 2106f1c
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diff --git a/changes/4885-samuelcolvin.md b/changes/4885-samuelcolvin.md
@@ -0,0 +1 @@
+Change dependency to `typing-extensions>=4.2.0`
diff --git a/setup.py b/setup.py
@@ -130,7 +130,7 @@ def extra(self):
     python_requires='>=3.7',
     zip_safe=False,  # https://mypy.readthedocs.io/en/latest/installed_packages.html
     install_requires=[
-        'typing-extensions>=4.1.0'
+        'typing-extensions>=4.2.0'
     ],
     extras_require={
         'email': ['email-validator>=1.0.3'],

diff --git a/tests/requirements-testing.txt b/tests/requirements-testing.txt
@@ -7,3 +7,5 @@ pytest==7.1.2
 pytest-cov==3.0.0
 pytest-mock==3.8.2
 pytest-sugar==0.9.5
+# pin typing-extensions to minimum requirement - see #4885
+typing-extensions==4.2.0