Fetches statistics from my_cgi.cgi

def fetchMyCgi(self):
        """Fetches statistics from my_cgi.cgi"""
        try:
            response = urlopen(Request('http://{}/my_cgi.cgi'.format(self.ip), b'request=create_chklst'));
        except (HTTPError, URLError):
            _LOGGER.warning("Failed to open url to {}".format(self.ip))
            self._error_report = True
            return None

        lines = response.readlines()
        return {line.decode().split(':')[0].strip(): line.decode().split(':')[1].strip() for line in lines}