docs: Fixed doctests in arrays/datetimes.py

Author: DevastatingRPG

pandas/core/arrays/datetimes.py

@@ -1308,14 +1308,14 @@ def month_name(self, locale=None) -> npt.NDArray[np.object_]:
         0     January
         1    February
         2       March
-        dtype: object
+        dtype: str
 
         >>> idx = pd.date_range(start="2018-01", freq="ME", periods=3)
         >>> idx
         DatetimeIndex(['2018-01-31', '2018-02-28', '2018-03-31'],
                       dtype='datetime64[ns]', freq='ME')
         >>> idx.month_name()
-        Index(['January', 'February', 'March'], dtype='object')
+        Index(['January', 'February', 'March'], dtype='str')
 
         Using the ``locale`` parameter you can set a different locale language,
         for example: ``idx.month_name(locale='pt_BR.utf8')`` will return month
@@ -1326,7 +1326,7 @@ def month_name(self, locale=None) -> npt.NDArray[np.object_]:
         DatetimeIndex(['2018-01-31', '2018-02-28', '2018-03-31'],
                       dtype='datetime64[ns]', freq='ME')
         >>> idx.month_name(locale="pt_BR.utf8")  # doctest: +SKIP
-        Index(['Janeiro', 'Fevereiro', 'Março'], dtype='object')
+        Index(['Janeiro', 'Fevereiro', 'Março'], dtype='str')
         """
         values = self._local_timestamps()
 
@@ -1376,14 +1376,14 @@ def day_name(self, locale=None) -> npt.NDArray[np.object_]:
         0       Monday
         1      Tuesday
         2    Wednesday
-        dtype: object
+        dtype: str
 
         >>> idx = pd.date_range(start="2018-01-01", freq="D", periods=3)
         >>> idx
         DatetimeIndex(['2018-01-01', '2018-01-02', '2018-01-03'],
                       dtype='datetime64[ns]', freq='D')
         >>> idx.day_name()
-        Index(['Monday', 'Tuesday', 'Wednesday'], dtype='object')
+        Index(['Monday', 'Tuesday', 'Wednesday'], dtype='str')
 
         Using the ``locale`` parameter you can set a different locale language,
         for example: ``idx.day_name(locale='pt_BR.utf8')`` will return day
@@ -1394,7 +1394,7 @@ def day_name(self, locale=None) -> npt.NDArray[np.object_]:
         DatetimeIndex(['2018-01-01', '2018-01-02', '2018-01-03'],
                       dtype='datetime64[ns]', freq='D')
         >>> idx.day_name(locale="pt_BR.utf8")  # doctest: +SKIP
-        Index(['Segunda', 'Terça', 'Quarta'], dtype='object')
+        Index(['Segunda', 'Terça', 'Quarta'], dtype='str')
         """
         values = self._local_timestamps()