Fix doctest for get_protocol_members

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Unreleased
 
+- Fix doctest of `typing_extensions.get_protocol_members`.
 - Fix incorrect behaviour on Python 3.9 and Python 3.10 that meant that
   calling `isinstance` with `typing_extensions.Concatenate[...]` or
   `typing_extensions.Unpack[...]` as the first argument could have a different

src/test_typing_extensions.py

@@ -9574,6 +9574,10 @@ def test_sentinel_not_picklable(self):
         ):
             pickle.dumps(sentinel)
 
+def load_tests(loader, tests, pattern):
+    import doctest
+    tests.addTests(doctest.DocTestSuite(typing_extensions))
+    return tests
 
 if __name__ == '__main__':  # pragma: no cover
     main()

src/typing_extensions.py

@@ -3864,8 +3864,8 @@ def get_protocol_members(tp: type, /) -> typing.FrozenSet[str]:
             >>> class P(Protocol):
             ...     def a(self) -> str: ...
             ...     b: int
-            >>> get_protocol_members(P)
-            frozenset({'a', 'b'})
+            >>> get_protocol_members(P) == frozenset({'a', 'b'})
+            True
 
         Raise a TypeError for arguments that are not Protocols.
         """