code: def get_short_name(cls):
      return "horizon"
  
file_path: dipy/dipy/workflows/viz.py
imports: import numpy
  from os.path import join
  from dipy.workflows.workflow import Workflow
  from dipy.io.image import load_nifti
  from dipy.viz import horizon
  from dipy.io.peaks import load_peaks
  from dipy.io.streamline import load_tractogram
  from dipy.io.utils import create_nifti_header
  from dipy.stats.analysis import assignment_map
  from dipy.utils.optpkg import optional_package
label_desc: Use image node_id 1 for calling the HorizonFlow obj's underlying member method code with example usage: obj.get_short_name(cls) and returns: str