code: def pytest_sessionstart(session):
      session._setupstate = SetupState()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import bdb
  import os
  import sys
  from time import time
  import attr
  import six
  from .reports import CollectErrorRepr
  from .reports import CollectReport
  from .reports import TestReport
  from _pytest._code.code import ExceptionInfo
  from _pytest.compat import safe_str
  from _pytest.outcomes import Exit
  from _pytest.outcomes import Skipped
  from _pytest.outcomes import TEST_OUTCOME
label_desc: Use image node_id 3 for calling a global function with example usage: pytest_sessionstart(session) without return types