How to use the plexapi.log.warning function in PlexAPI

params = {'server_id': machineId, 'shared_server': {'library_section_ids': sectionIds}}
            url = self.FRIENDSERVERS.format(machineId=machineId, serverId=serverId)
        else:
            params = {'server_id': machineId, 'shared_server': {'library_section_ids': sectionIds,
                "invited_id": user.id}}
            url = self.FRIENDINVITE.format(machineId=machineId)
        # Remove share sections, add shares to user without shares, or update shares
        if sectionIds:
            if removeSections is True:
                response_servers = self.query(url, self._session.delete, json=params, headers=headers)
            elif 'invited_id' in params.get('shared_server', ''):
                response_servers = self.query(url, self._session.post, json=params, headers=headers)
            else:
                response_servers = self.query(url, self._session.put, json=params, headers=headers)
        else:
            log.warning('Section name, number of section object is required changing library sections')
        # Update friend filters
        url = self.FRIENDUPDATE.format(userId=user.id)
        params = {}
        if isinstance(allowSync, bool):
            params['allowSync'] = '1' if allowSync else '0'
        if isinstance(allowCameraUpload, bool):
            params['allowCameraUpload'] = '1' if allowCameraUpload else '0'
        if isinstance(allowChannels, bool):
            params['allowChannels'] = '1' if allowChannels else '0'
        if isinstance(filterMovies, dict):
            params['filterMovies'] = self._filterDictToStr(filterMovies or {})  # '1' if allowChannels else '0'
        if isinstance(filterTelevision, dict):
            params['filterTelevision'] = self._filterDictToStr(filterTelevision or {})
        if isinstance(allowChannels, dict):
            params['filterMusic'] = self._filterDictToStr(filterMusic or {})
        if params:

if not isinstance(value, (list, tuple)):
            value = [value]
        # convert list of values to list of keys or ids
        result = set()
        choices = self.listChoices(category, libtype)
        lookup = {c.title.lower(): unquote(unquote(c.key)) for c in choices}
        allowed = set(c.key for c in choices)
        for item in value:
            item = str((item.id or item.tag) if isinstance(item, MediaTag) else item).lower()
            # find most logical choice(s) to use in url
            if item in allowed: result.add(item); continue
            if item in lookup: result.add(lookup[item]); continue
            matches = [k for t, k in lookup.items() if item in t]
            if matches: map(result.add, matches); continue
            # nothing matched; use raw item value
            log.warning('Filter value not listed, using raw item value: %s' % item)
            result.add(item)
        return ','.join(result)

def query(self, key, method=None, headers=None, timeout=None, **kwargs):
        """ Main method used to handle HTTPS requests to the Plex server. This method helps
            by encoding the response to utf-8 and parsing the returned XML into and
            ElementTree object. Returns None if no data exists in the response.
        """
        url = self.url(key)
        method = method or self._session.get
        timeout = timeout or TIMEOUT
        log.debug('%s %s', method.__name__.upper(), url)
        headers = self._headers(**headers or {})
        response = method(url, headers=headers, timeout=timeout, **kwargs)
        if response.status_code not in (200, 201):
            codename = codes.get(response.status_code)[0]
            errtext = response.text.replace('\n', ' ')
            log.warning('BadRequest (%s) %s %s; %s' % (response.status_code, codename, response.url, errtext))
            raise BadRequest('(%s) %s; %s %s' % (response.status_code, codename, response.url, errtext))
        data = response.text.encode('utf8')
        return ElementTree.fromstring(data) if data.strip() else None

def query(self, url, method=None, headers=None, timeout=None, **kwargs):
        method = method or self._session.get
        timeout = timeout or TIMEOUT
        log.debug('%s %s %s', method.__name__.upper(), url, kwargs.get('json', ''))
        headers = self._headers(**headers or {})
        response = method(url, headers=headers, timeout=timeout, **kwargs)
        if response.status_code not in (200, 201, 204):  # pragma: no cover
            codename = codes.get(response.status_code)[0]
            errtext = response.text.replace('\n', ' ')
            log.warning('BadRequest (%s) %s %s; %s' % (response.status_code, codename, response.url, errtext))
            raise BadRequest('(%s) %s %s; %s' % (response.status_code, codename, response.url, errtext))
        data = response.text.encode('utf8')
        return ElementTree.fromstring(data) if data.strip() else None

def query(self, path, method=None, headers=None, timeout=None, **kwargs):
        """ Main method used to handle HTTPS requests to the Plex client. This method helps
            by encoding the response to utf-8 and parsing the returned XML into and
            ElementTree object. Returns None if no data exists in the response.
        """
        url = self.url(path)
        method = method or self._session.get
        timeout = timeout or TIMEOUT
        log.debug('%s %s', method.__name__.upper(), url)
        headers = self._headers(**headers or {})
        response = method(url, headers=headers, timeout=timeout, **kwargs)
        if response.status_code not in (200, 201):
            codename = codes.get(response.status_code)[0]
            errtext = response.text.replace('\n', ' ')
            log.warning('BadRequest (%s) %s %s; %s' % (response.status_code, codename, response.url, errtext))
            raise BadRequest('(%s) %s; %s %s' % (response.status_code, codename, response.url, errtext))
        data = response.text.encode('utf8')
        return ElementTree.fromstring(data) if data.strip() else None

def query(self, path, method=None, headers=None, timeout=None, **kwargs):
        """ Main method used to handle HTTPS requests to the Plex client. This method helps
            by encoding the response to utf-8 and parsing the returned XML into and
            ElementTree object. Returns None if no data exists in the response.
        """
        url = self.url(path)
        method = method or self._session.get
        timeout = timeout or TIMEOUT
        log.debug('%s %s', method.__name__.upper(), url)
        headers = self._headers(**headers or {})
        response = method(url, headers=headers, timeout=timeout, **kwargs)
        if response.status_code not in (200, 201):
            codename = codes.get(response.status_code)[0]
            errtext = response.text.replace('\n', ' ')
            log.warning('BadRequest (%s) %s %s; %s' % (response.status_code, codename, response.url, errtext))
            raise BadRequest('(%s) %s; %s %s' % (response.status_code, codename, response.url, errtext))
        data = response.text.encode('utf8')
        return ElementTree.fromstring(data) if data.strip() else None

if not isinstance(value, (list, tuple)):
            value = [value]
        # convert list of values to list of keys or ids
        result = set()
        choices = self.listChoices(category, libtype)
        lookup = {c.title.lower(): unquote(unquote(c.key)) for c in choices}
        allowed = set(c.key for c in choices)
        for item in value:
            item = str((item.id or item.tag) if isinstance(item, MediaTag) else item).lower()
            # find most logical choice(s) to use in url
            if item in allowed: result.add(item); continue
            if item in lookup: result.add(lookup[item]); continue
            matches = [k for t, k in lookup.items() if item in t]
            if matches: map(result.add, matches); continue
            # nothing matched; use raw item value
            log.warning('Filter value not listed, using raw item value: %s' % item)
            result.add(item)
        return ','.join(result)

def clients(self):
        """ Returns list of all :class:`~plexapi.client.PlexClient` objects connected to server. """
        items = []
        ports = None
        for elem in self.query('/clients'):
            port = elem.attrib.get('port')
            if not port:
                log.warning('%s did not advertise a port, checking plex.tv.', elem.attrib.get('name'))
                ports = self._myPlexClientPorts() if ports is None else ports
                port = ports.get(elem.attrib.get('machineIdentifier'))
            baseurl = 'http://%s:%s' % (elem.attrib['host'], port)
            items.append(PlexClient(baseurl=baseurl, server=self,
                                    token=self._token, data=elem, connect=False))

        return items