DOC: Fix SA01 Errors (#58556)

* Fix SA01 errors

* Fix SA01 errors

Author: shriyakalakata

ci/code_checks.sh

@@ -200,9 +200,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.Series.floordiv PR07" \
         -i "pandas.Series.ge PR07,SA01" \
         -i "pandas.Series.gt PR07,SA01" \
-        -i "pandas.Series.hasnans SA01" \
-        -i "pandas.Series.is_monotonic_decreasing SA01" \
-        -i "pandas.Series.is_monotonic_increasing SA01" \
         -i "pandas.Series.kurt RT03,SA01" \
         -i "pandas.Series.kurtosis RT03,SA01" \
         -i "pandas.Series.le PR07,SA01" \

pandas/core/base.py

@@ -909,6 +909,11 @@ def hasnans(self) -> bool:
         -------
         bool
 
+        See Also
+        --------
+        Series.isna : Detect missing values.
+        Series.notna : Detect existing (non-missing) values.
+
         Examples
         --------
         >>> s = pd.Series([1, 2, 3, None])
@@ -1135,6 +1140,11 @@ def is_monotonic_increasing(self) -> bool:
         -------
         bool
 
+        See Also
+        --------
+        Series.is_monotonic_decreasing : Return boolean if values in the object are
+            monotonically decreasing.
+
         Examples
         --------
         >>> s = pd.Series([1, 2, 2])
@@ -1158,6 +1168,11 @@ def is_monotonic_decreasing(self) -> bool:
         -------
         bool
 
+        See Also
+        --------
+        Series.is_monotonic_increasing : Return boolean if values in the object are
+            monotonically increasing.
+
         Examples
         --------
         >>> s = pd.Series([3, 2, 2, 1])