How to use the aioresponses.compat.Pattern function in aioresponses

def __init__(self, url: Union[URL, str, Pattern],
                 method: str = hdrs.METH_GET,
                 status: int = 200,
                 body: str = '',
                 payload: Dict = None,
                 exception: 'Exception' = None,
                 headers: Dict = None,
                 content_type: str = 'application/json',
                 response_class: 'ClientResponse' = None,
                 timeout: bool = False,
                 repeat: bool = False,
                 reason: Optional[str] = None,
                 callback: Optional[Callable] = None):
        if isinstance(url, Pattern):
            self.url_or_pattern = url
            self.match_func = self.match_regexp
        else:
            self.url_or_pattern = normalize_url(url)
            self.match_func = self.match_str
        self.method = method.lower()
        self.status = status
        self.body = body
        self.payload = payload
        self.exception = exception
        if timeout:
            self.exception = asyncio.TimeoutError('Connection timeout test')
        self.headers = headers
        self.content_type = content_type
        self.response_class = response_class
        self.repeat = repeat