code: def insert_tensor_constant(self, g, tensor):
      return g_op(g, "Constant", value_t=tensor)
  
imports: import io
  import numpy
  import onnx
  import pytorch_test_common
  import torch
  from pytorch_test_common import skipIfUnsupportedMinOpsetVersion
  from torch.onnx import _constants, utils
  from torch.onnx._globals import GLOBALS
  from torch.onnx._internal import jit_utils
  from torch.testing._internal import common_utils
label_desc: Use image node_id 4 for calling the TestONNXShapeInference obj's underlying member method code with example usage: obj.insert_tensor_constant(g, tensor) and returns: g_op