address CI issues

Author: Lonercode

pandas/core/series.py

@@ -6182,9 +6182,7 @@ def isna(self) -> Series:
 
     def isnull(self) -> Series:
         """
-
         Series.isnull is an alias for Series.isna.
-
         Detect missing values.
 
         Return a boolean same-sized object indicating if the values are NA.
@@ -6325,9 +6323,7 @@ def notna(self) -> Series:
 
     def notnull(self) -> Series:
         """
-
         Series.notnull is an alias for Series.notna.
-
         Detect existing (non-missing) values.
 
         Return a boolean same-sized object indicating if the values are not NA.