code: def test_isinstance_string_types():
      assert m.isinstance_pybind11_bytes(b"")
      assert not m.isinstance_pybind11_bytes("")
  
      assert m.isinstance_pybind11_str("")
      if hasattr(m, "PYBIND11_STR_LEGACY_PERMISSIVE"):
          assert m.isinstance_pybind11_str(b"")
      else:
          assert not m.isinstance_pybind11_str(b"")
  
imports: import contextlib
  import sys
  import types
  import pytest
  import env
  from pybind11_tests import detailed_error_messages_enabled
  from pybind11_tests import pytypes
label_desc: Use image node_id 40 for calling a global function with example usage: test_isinstance_string_types() without return types