code: def add_cause(self, error: Exception):
          '''Adds cause error to error message'''
          self.add_info('Cause error', '{0} - {1}'.format(type(error).__name__, error)f add_cause(self, error: Exception):
          '''Adds cause error to error message'''
          self.add_info('Cause error', '{0} - {1}'.format(type(error).__name__, error))
docs: Adds cause error to error message