code: def test_mi_dynamic_attributes():
      """Mixing bases with and without dynamic attribute support"""
  
      for d in (m.VanillaDictMix1(), m.VanillaDictMix2()):
          d.dynamic = 1
          assert d.dynamic == 1
  
imports: import pytest
  import env
  from pybind11_tests import ConstructorStats
  from pybind11_tests import multiple_inheritance
label_desc: Use image node_id 8 for calling a global function with example usage: test_mi_dynamic_attributes() without return types