code: def get_channel_image(self, channel, img_size=300, skip_cache=False):
          
          from bs4 import BeautifulSoup
          from wikipedia.exceptions import PageError
          import re
          import wikipedia
          wikipedia.set_lang('fr')
  
          if not channel:
              _LOGGER.error('Channel is not set. Could not retrieve image.')
              return
  
          # Check if the image is in cache
          if channel in self._cache_channel_img and not skip_cache:
              img = self._cache_channel_img[channel]
              _LOGGER.debug('Cache hit: %s -> %s', channel, img)
              return img
  
          channel_info = self.get_channel_info(channel)
          query = channel_info['wiki_page']
          if not query:
              _LOGGER.debug('Wiki page is not set for channel %s', channel)
              return
          _LOGGER.debug('Query: %s', query)
          # If there is a max image size defined use it.
          if 'max_img_size' in channel_info:
              if img_size > channel_info['max_img_size']:
                  _LOGGER.info(
                      'Requested image size is bigger than the max, '
                      'setting it to %s', channel_info['max_img_size']
                  )
                  img_size = channel_info['max_img_size']
          try:
              page = wikipedia.page(query)
              _LOGGER.debug('Wikipedia article title: %s', page.title)
              soup = BeautifulSoup(page.html(), 'html.parser')
              images = soup.find_all('img')
              img_src = None
              for i in images:
                  if i['alt'].startswith('Image illustrative'):
                      img_src = re.sub(r'\d+px', '{}px'.format(img_size),
                                       i['src'])
              img = 'https:{}'.format(img_src) if img_src else None
              # Cache result
              self._cache_channel_img[channel] = img
              return img
          except PageError:
              _LOGGER.error('Could not fetch channel image for %s', channel)
docs: Get the logo for a channel