code: def reset_obj_states(obj1, obj2, obj3):
      obj1.reset_state()
      obj2.reset_state()
      obj3.reset_state()
  
imports: import pytest
  import numpy
  import tensorflow
  from tensorflow_addons.metrics import CohenKappa
  from tensorflow_addons.testing.serialization import check_metric_serialization
label_desc: Use image node_id 4 for calling a global function with example usage: reset_obj_states(obj1, obj2, obj3) without return types