docs: def forum_topic_get_by_tag_for_user(self, tag=None, author=None):
          """Get all forum topics with a specific tag"""
  
          if not tag:
              return None
  
          if author:
              r = self._request('ebuio/forum/search/bytag/' + tag + '?u=' + author)
          else:
              r = self._request('ebuio/forum/search/bytag/' + tag)
          if not r:
              return None
  
          retour = []
  
          for data in r.json().get('data', []):
              retour.append(data)
  
          return retour