Fix doctest for get_protocol_members

Author: JanEricNitschke

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/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.
         """