parameters: (self)
return_statement: return EquivSet()
docstring: Return an empty EquivSet object.
docstring_summary: Return an empty EquivSet object.
docstring_tokens: Return an empty EquivSet object .
function: def empty(self):
          """Return an empty EquivSet object.
          """
          return EquivSet()
function_tokens: def empty ( self ) : return EquivSet ( )