parameters: (self, rhs)
docstring: Special equals method that all comparators must implement.
  
      Args:
        rhs: any python object
docstring_summary: Special equals method that all comparators must implement.
docstring_tokens: Special equals method that all comparators must implement .
function: def equals(self, rhs):
      """Special equals method that all comparators must implement.
  
      Args:
        rhs: any python object
      """
  
      raise NotImplementedError, 'method must be implemented by a subclass.'
function_tokens: def equals ( self , rhs ) : raise NotImplementedError , 'method must be implemented by a subclass.'