'Retrieves the user profile photos of the person with \'user_id\'
See https://core.telegram.org/bots/api#getuserprofilephotos
:param user_id:
:param offset:
:param limit:
:return: API reply.'

def get_user_profile_photos(self, user_id, offset=None, limit=None):

    result = apihelper.get_user_profile_photos(self.token, user_id, offset, limit)
    return types.UserProfilePhotos.de_json(result)
