docstr: return [
    (depth, pass_name, {op_name: diff_num, ...}), ...
  ]
docstr_tok: ["return","[","(","depth",",","pass_name",",","{","op_name",":","diff_num",",","...","}",")",",","...","]"]
code: def get_pass_to_op_diff(self):
      """
      return [
        (depth, pass_name, {op_name: diff_num, ...}), ...
      ]
      """
      return self._op_diff
  
imports: import tvm
  import tvm.relay
  from tvm.relay.testing import resnet
  from tvm.contrib.download import download_testdata
  from tvm.relay.build_module import bind_params_by_name
  from tvm.ir.instrument import PassTimingInstrument, pass_instrument
  from pprint import pprint
label_desc: Use image node_id 6 for calling the RelayCallNodeDiffer obj's underlying member method code with example usage: obj.get_pass_to_op_diff() and returns: self