Fixes for @jreback review

Author: MomIsBestFriend

pandas/tests/frame/test_analytics.py

@@ -2617,7 +2617,7 @@ def test_n(self, df_strings, nselect_method, n, order):
 
             error_msg = (
                 f"Column 'b' has dtype object, "
-                f"cannot use method {repr(nselect_method)} with this dtype"
+                f"cannot use method '{nselect_method} with this dtype"
             )
             with pytest.raises(TypeError, match=error_msg):
                 getattr(df, nselect_method)(n, order)

pandas/tests/indexes/datetimes/test_datetime.py

@@ -89,7 +89,7 @@ def test_week_of_month_frequency(self):
     def test_hash_error(self):
         index = date_range("20010101", periods=10)
         with pytest.raises(
-            TypeError, match=f"unhashable type: {repr(type(index).__name__)}"
+            TypeError, match=f"unhashable type: '{type(index).__name__}'"
         ):
             hash(index)