code: def iter_following(self, login=None, number=-1, etag=None):
          
          if login:
              return self.user(login).iter_following()
          return self._iter_follow('following', int(number), etag=etag)
docs: If login is provided, iterate over a generator of users being
          followed by login; otherwise return a generator of people followed by
          the authenticated user.
  
          :param str login: (optional), login of the user to check
          :param int number: (optional), number of people to return. Default: -1
              returns all people you follow
          :param str etag: (optional), ETag from a previous request to the same
              endpoint
          :returns: generator of :class:`User <github3.users.User>`\ s