DOC: Corrected code_checks.sh (pandas-dev#53266)

* Corrected code_checks.sh

* Added example for Series.dt.end_time

* Update pandas/_libs/tslibs/period.pyx

---------

Co-authored-by: Marco Edward Gorelli <[email protected]>

Author: 2 people

ci/code_checks.sh

@@ -169,7 +169,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         pandas.Timedelta.to_numpy \
         pandas.Timedelta.total_seconds \
         pandas.arrays.TimedeltaArray \
-        pandas.Period.end_time \
         pandas.Period.freqstr \
         pandas.Period.is_leap_year \
         pandas.Period.month \

pandas/_libs/tslibs/period.pyx

@@ -1664,8 +1664,25 @@ cdef class PeriodMixin:
 
         Examples
         --------
+        For Period:
+
         >>> pd.Period('2020-01', 'D').end_time
         Timestamp('2020-01-01 23:59:59.999999999')
+
+        For Series:
+
+        >>> period_index = pd.period_range('2020-1-1 00:00', '2020-3-1 00:00', freq='M')
+        >>> s = pd.Series(period_index)
+        >>> s
+        0   2020-01
+        1   2020-02
+        2   2020-03
+        dtype: period[M]
+        >>> s.dt.end_time
+        0   2020-01-31 23:59:59.999999999
+        1   2020-02-29 23:59:59.999999999
+        2   2020-03-31 23:59:59.999999999
+        dtype: datetime64[ns]
         """
         return self.to_timestamp(how="end")