code: def __call__(self, *args):
      if len(args) == 1:
          return self.process(*args)
      elif len(args) == 2 and isinstance(args[1], (PrinterState, dict)):
          return self.process(*args)
      elif len(args) > 2:
          return self.process_graph(*args)
      else:
          raise TypeError("Not enough arguments to call.")
  
imports: from __future__ import absolute_import, print_function, division
  from copy import copy
  import logging
  import os
  import sys
  import hashlib
  import numpy
  from six import string_types, integer_types, iteritems
  from six.moves import StringIO, reduce
  import theano
  from theano import gof
  from theano import config
  from theano.gof import Op, Apply
  from theano.compile import Function, debugmode, SharedVariable
label_desc: Use image node_id 7 for calling the PPrinter obj's underlying member method code with example usage: obj.__call__() and returns: self, self, self