parameters: (self)
return_statement: return self._success
docstring: Returns whether the call completed without raising an
          exception. Will raise AssertionError if the result is not
          ready.
docstring_summary: Returns whether the call completed without raising an
          exception. Will raise AssertionError if the result is not
          ready.
docstring_tokens: Returns whether the call completed without raising an exception . Will raise AssertionError if the result is not ready .
function: def successful(self):
          """Returns whether the call completed without raising an
          exception. Will raise AssertionError if the result is not
          ready."""
          assert self.ready()
          return self._success
function_tokens: def successful ( self ) : assert self . ready ( ) return self . _success