fix some docstring errors

Author: amanlai

ci/code_checks.sh

@@ -113,12 +113,9 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.Timedelta.max PR02" \
         -i "pandas.Timedelta.min PR02" \
         -i "pandas.Timedelta.resolution PR02" \
-        -i "pandas.Timedelta.to_numpy PR01" \
         -i "pandas.Timedelta.to_timedelta64 SA01" \
         -i "pandas.Timedelta.total_seconds SA01" \
         -i "pandas.Timedelta.view SA01" \
-        -i "pandas.TimedeltaIndex.components SA01" \
-        -i "pandas.TimedeltaIndex.microseconds SA01" \
         -i "pandas.TimedeltaIndex.nanoseconds SA01" \
         -i "pandas.TimedeltaIndex.seconds SA01" \
         -i "pandas.TimedeltaIndex.to_pytimedelta RT03,SA01" \

pandas/_libs/tslibs/timedeltas.pyx

@@ -1421,9 +1421,16 @@ cdef class _Timedelta(timedelta):
         """
         Convert the Timedelta to a NumPy timedelta64.
 
-        This is an alias method for `Timedelta.to_timedelta64()`. The dtype and
-        copy parameters are available here only for compatibility. Their values
-        will not affect the return value.
+        This is an alias method for `Timedelta.to_timedelta64()`.
+
+        Parameters
+        ----------
+        dtype : NoneType
+            It is available here only for compatibility. Its value will not 
+            affect the return value.
+        copy : bool, default False
+            It is available here only for compatibility. Its value will not 
+            affect the return value.
 
         Returns
         -------

pandas/core/arrays/timedeltas.py

@@ -876,6 +876,12 @@ def to_pytimedelta(self) -> npt.NDArray[np.object_]:
     microseconds_docstring = textwrap.dedent(
         """Number of microseconds (>= 0 and less than 1 second) for each element.
 
+    See Also
+    --------
+    pd.Timedelta.microseconds : Number of microseconds (>= 0 and less than 1 second).
+    pd.Timedelta.to_pytimedelta.microseconds : Number of microseconds (>= 0 and less 
+        than 1 second) of a datetime.timedelta.
+
     Examples
     --------
     For Series:
@@ -955,6 +961,12 @@ def components(self) -> DataFrame:
         -------
         DataFrame
 
+        See Also
+        --------
+        TimedeltaIndex.total_seconds : Return total duration expressed in seconds.
+        Timedelta.components : Return a components namedtuple-like of a single 
+            timedelta.
+
         Examples
         --------
         >>> tdelta_idx = pd.to_timedelta(["1 day 3 min 2 us 42 ns"])