code: def __init__(self):
      sighier.cSignalHierarchy.__init__(self)
      self.mLabels2Tuples = {}
  
file_path: atspy/atspy/TS/Signal_Grouping.py
imports: import pandas
  import numpy
  import itertools
  from .None import SignalHierarchy
label_desc: Use image node_id 1 to create a new cSignalGrouping object from inherited base classes: sighier with example: obj = cSignalGrouping()