code: def __setitem__(self, key, value):
      super().__setitem__(key, value)
      if (
          key is None
          or key == self.__class__._SINGLETON
          or self.is_singleton()
          or "/" in key
          or not isinstance(value, self.value_type)
      ):
          pass
      elif value._name is None:
          value._name = key
      else:
          assert value._name == key
  
imports: from collections import OrderedDict
  import numpy
  import tensorflow
  from tensorflow.python.training.tracking.tracking import AutoTrackable
  from tensorflow.python.training.tracking.data_structures import sticky_attribute_assignment
  from tensorforce.core.utils import NestedDict
label_desc: Use image node_id 2 for calling the SignatureDict obj's underlying member method code with example usage: obj.__setitem__(key, value) without return types