code: def get_paths(self, user_ids=None, startup_ids=None, direction=None):
      
      if user_ids is None and startup_ids is None and direction is None:
        raise Exception('At least one input argument should be different than None')
      if isinstance(user_ids, list):
        user_ids = ','.join(list(map(lambda k: str(k), user_ids)))
      if isinstance(startup_ids, list):
        startup_ids = ','.join(list(map(lambda k: str(k), startup_ids)))
  
      paths_url = _PATHS.format(c_api=_C_API_BEGINNING,
                                        api=_API_VERSION,
                                        at=self.access_token)
      if not user_ids is None:
        paths_url += '&' + _USER_IDS_SUFFIX.format(user_ids=user_ids)
      if not startup_ids is None:
        paths_url += '&' + _STARTUP_IDS_SUFFIX.format(
                                                      startup_ids=startup_ids)
      if not direction is None:
        paths_url += '&' + _DIRECTION_SUFFIX.format(direction=direction)
      return _get_request(paths_url)
docs: user_ids: paths between you and these users
      startup_ids: paths between you and these startups
      direction: 'following' or 'followed'