add missing args, make kwarg explicit (pandas-dev#19691)

Author: jbrockmendel

pandas/core/indexes/base.py

@@ -3943,8 +3943,8 @@ def _evaluate_with_timedelta_like(self, other, op, opstr, reversed=False):
     def _evaluate_with_datetime_like(self, other, op, opstr):
         raise TypeError("can only perform ops with datetime like values")
 
-    def _evaluate_compare(self, op):
-        raise base.AbstractMethodError(self)
+    def _evaluate_compare(self, other, op):
+        raise com.AbstractMethodError(self)
 
     @classmethod
     def _add_comparison_methods(cls):

pandas/core/internals.py

@@ -3569,8 +3569,8 @@ def reduction(self, f, axis=0, consolidate=True, transposed=False,
                         placement=np.arange(len(values)))],
             axes[0])
 
-    def isna(self, **kwargs):
-        return self.apply('apply', **kwargs)
+    def isna(self, func, **kwargs):
+        return self.apply('apply', func=func, **kwargs)
 
     def where(self, **kwargs):
         return self.apply('where', **kwargs)