def _GetInstNicNetworkName(ctx, _, nic): # pylint: disable=W0613
  if nic.network is None:
    return _FS_UNAVAIL
  else:
    return ctx.networks[nic.network].name
Load an extension whose module is 'ext_module'.  For example,
dataset/ETHPy150Open ganeti/ganeti/lib/query.py/_GetInstNicNetworkName--crossover with--dataset/ETHPy150Open datafolklabs/cement/cement/core/extension.py/IExtension.load_extension