Apply suggestions from code review

Gobot1234 · AlexWaygood · web-flow · commit 1ae16eaefd3e · 2023-04-09T23:12:19.000+01:00
Co-authored-by: Alex Waygood &lt;Alex.Waygood@Gmail.com&gt;
diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
@@ -1383,7 +1383,7 @@ class G(typing.NamedTuple):
 
         self.assertIs(types.get_original_bases(G)[0], typing.NamedTuple)
 
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "Expected an instance of type"):
             types.get_original_bases(object())
 
     # Many of the following tests are derived from test_descr.py
diff --git a/Lib/types.py b/Lib/types.py
@@ -147,8 +147,6 @@ def _calculate_meta(meta, bases):
 def get_original_bases(cls, /):
     """Return the class's "original" bases prior to modification by `__mro_entries__`.
 
-    This is useful for introspecting Generics.
-
     Examples::
 
         from typing import TypeVar, Generic
