code: def n_frames(self):
      return len(self._offset)
  
file_path: catboost/contrib/python/Pillow/py2/PIL/DcxImagePlugin.py
imports: from .None import Image
  from ._binary import i32le
  from .PcxImagePlugin import PcxImageFile
label_desc: Use image node_id 2 for calling the DcxImageFile obj's underlying member method code with example usage: obj.n_frames() and returns: len