code: def get_short_name(cls):
      return "mask"
  
file_path: dipy/dipy/workflows/mask.py
imports: import logging
  import numpy
  from dipy.io.image import load_nifti, save_nifti
  from dipy.workflows.workflow import Workflow
label_desc: Use image node_id 1 for calling the MaskFlow obj's underlying member method code with example usage: obj.get_short_name(cls) and returns: str