code: def from_env_vars(self) -> None:
          
          for key, value in os.environ.items():
              if key.startswith('KUYRUK_'):
                  key = key[7:]
                  if hasattr(Config, key):
                      try:
                          value = ast.literal_eval(value)
                      except (ValueError, SyntaxError):
                          pass
  
                      self._setattr(key, value)
docs: Load values from environment variables.
          Keys must start with `KUYRUK_`.