code: def _create_slots(self, var_list):
      self._optimizer._create_slots(var_list=var_list)
      for var in var_list:
          self.add_slot(var, "average")
  
imports: import abc
  import warnings
  import tensorflow
  from tensorflow_addons.optimizers import KerasLegacyOptimizer
  from tensorflow_addons.utils import types
  from typeguard import typechecked
label_desc: Use image node_id 2 for calling the AveragedOptimizerWrapper obj's underlying member method code with example usage: obj._create_slots(var_list) without return types