code: def test_avoids_deadlock(self):
      b = Barrier(2)
      pool = run_parallel.RunParallel(timeout=2)
      with self.assertRaises(ValueError):
          pool.run([int, b.wait, bad])
      # Release the thread waiting on the barrier so the process can exit cleanly.
      b.clear()
      pool.shutdown()
  
file_path: pysc2/pysc2/lib/run_parallel_test.py
imports: import threading
  from absl.testing import absltest
  from pysc2.lib import run_parallel
label_desc: Use image node_id 3 for calling the RunParallelTest obj's underlying member method code with example usage: obj.test_avoids_deadlock() without return types