code: def test_reads_check_last_write(self):
      # Tests that not only the first read operation checks if it is in conflict
      # with the last write operation, but all read operations do.
  
      self.assert_good_kernel_launch(
          stream_id(1), read_write=[tensor_id(1)]
      )
      self.handler._handle_event_record(event_id(0), stream_id(1))
      self.handler._handle_event_wait(event_id(0), stream_id(2))
      self.assert_good_kernel_launch(
          stream_id(2), read_only=[tensor_id(1)]
      )
  
      self.assert_bad_kernel_launch(
          1, stream_id(3), read_only=[tensor_id(1)]
      )
  
imports: import sys
  import textwrap
  import traceback
  from typing import List
  import torch
  import torch.cuda._sanitizer
  from torch.cuda._sanitizer import StreamId, DataPtr, EventId
  from torch.testing._internal.common_utils import TestCase, run_tests, NoTest, TEST_CUDA
label_desc: Use image node_id 9 for calling the TestEventHandler obj's underlying member method code with example usage: obj.test_reads_check_last_write() without return types