class_docstr: Test loading and saving of TensorProto.
class_docstr_tok: ["Test","loading","and","saving","of","TensorProto","."]
code: def test_load_tensor_when_input_is_bytes(self) -> None:
      proto = _simple_tensor()
      proto_string = serialization.registry.get(
          self.format
      ).serialize_proto(proto)
      loaded_proto = onnx.load_tensor_from_string(
          proto_string, format=self.format
      )
      self.assertEqual(proto, loaded_proto)
  
imports: import io
  import os
  import pathlib
  import tempfile
  import unittest
  import google.protobuf.message
  import google.protobuf.text_format
  import parameterized
  import onnx
  from onnx import serialization
label_desc: Use image node_id 1 for calling the TestIOTensor obj's underlying member method code with example usage: obj.test_load_tensor_when_input_is_bytes() without return types