solve PEP8 errors

Author: rushabh-v

pandas/core/arrays/integer.py

@@ -206,7 +206,6 @@ def coerce_to_array(values, dtype, mask=None, copy=False):
             mask = mask.copy()
         return values, mask
 
-
     if hasattr(values, "dtype"):
         if isinstance(values, Categorical):
             values = np.array(values, copy=copy)

pandas/core/series.py

@@ -2591,7 +2591,7 @@ def combine(self, other, func, fill_value=None):
                     # The function can return something of any type, so check
                     # if the type is compatible with the calling EA.
                     new_values = try_cast_to_ea(self._values, new_values)
-                    
+
         return self._constructor(new_values, index=new_index, name=new_name)
 
     def combine_first(self, other):