code: def __ne__(self, other):
      return not self.__eq__(other)
  
imports: import numpy
  from pandas.errors import AbstractMethodError
  from pandas.core.dtypes.generic import ABCDataFrame, ABCIndexClass, ABCSeries
  from pandas import compat
label_desc: Use image node_id 3 for calling the _DtypeOpsMixin obj's underlying member method code with example usage: obj.__ne__(other) and returns: unknown