def get_str_param()

in composer_local_dev/environment.py [0:0]


    def get_str_param(self, name: str):
        """
        Get parameter from the config. Raises an error if the parameter does
        not exist in the config.
        """
        try:
            return self.config[name]
        except KeyError:
            raise errors.MissingRequiredParameterError(name) from None