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