parameters: (self)
return_statement: return self._error_msg
docstring: return the description of this error.
docstring_summary: return the description of this error.
docstring_tokens: return the description of this error .
function: def error_msg(self):
          """return the description of this error."""
          return self._error_msg
function_tokens: def error_msg ( self ) : return self . _error_msg