code: def test_first_connect(self):
      pool.connect()
  
file_path: sqlalchemy/test/aaa_profiling/test_pool.py
imports: from sqlalchemy import event
  from sqlalchemy.pool import QueuePool
  from sqlalchemy.testing import AssertsExecutionResults
  from sqlalchemy.testing import fixtures
  from sqlalchemy.testing import profiling
label_desc: Use image node_id 2 for calling the QueuePoolTest obj's underlying member method code with example usage: obj.test_first_connect() without return types