Remove CompWrapper

Author: makbigc

pandas/core/arrays/integer.py

@@ -19,7 +19,6 @@
 
 from pandas.core import nanops
 from pandas.core.arrays import ExtensionArray, ExtensionOpsMixin
-from pandas.core.ops import CompWrapper
 from pandas.core.tools.numeric import to_numeric
 
 
@@ -530,17 +529,22 @@ def _values_for_argsort(self):
 
     @classmethod
     def _create_comparison_method(cls, op):
-        @CompWrapper(validate_len=True, inst_from_senior_cls=True)
         def cmp_method(self, other):
 
             op_name = op.__name__
             mask = None
 
+            if isinstance(other, (ABCSeries, ABCIndexClass)):
+                # Rely on pandas to unbox and dispatch to us.
+                return NotImplemented
+
             if isinstance(other, IntegerArray):
                 other, mask = other._data, other._mask
 
             elif is_list_like(other):
                 other = np.asarray(other)
+                if other.ndim > 0 and len(self) != len(other):
+                    raise ValueError('Lengths must match to compare')
 
             other = lib.item_from_zerodim(other)