def get_versions(self, server):
    if server not in self._server_name_to_versions:
      raise ServerDoesNotExistError()
    return self._server_name_to_versions[server]
Returns a list of versions for a server.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/request_info.py/_LocalFakeDispatcher.get_versions