code: def postprocess(self, input_data, raw_data=None, casename=None):
      return input_data
  
file_path: DeepNeuro/deepneuro/postprocessing/postprocessor.py
imports: from deepneuro.utilities.util import add_parameter
label_desc: Use image node_id 4 for calling the Postprocessor obj's underlying member method code with example usage: obj.postprocess(input_data, raw_data, casename) and returns: input_data