@WithDesc("None")
def TNone(val):
  return val is None
Create a ProgressModel.
dataset/ETHPy150Open ganeti/ganeti/lib/ht.py/TNone--crossover with--dataset/ETHPy150Open byt3bl33d3r/pth-toolkit/lib/python2.7/site-packages/samba/external/subunit/progress_model.py/ProgressModel.__init__