code: def __init__(self, handler):
      from tvm.micro import project_api
  
      self.handler = handler
      self.client_to_server = Transport()
      self.server_to_client = Transport()
  
      self.server = project_api.server.ProjectAPIServer(
          self.client_to_server, self.server_to_client, handler
      )
      self.client = project_api.client.ProjectAPIClient(
          self.server_to_client,
          self.client_to_server,
          testonly_did_write_request=self._process_server_request,
      )
  
      self.expect_failure = False
  
imports: import collections
  import io
  import json
  import sys
  import unittest
  from unittest import mock
  import pytest
  import tvm
  import tvm.testing
label_desc: Use image node_id 1 to create a new ClientServerFixture object  with example: obj = ClientServerFixture(handler)