code: def values(self):
      for value in super().values():
          if isinstance(value, self.value_type):
              yield value
          else:
              assert isinstance(value, self.__class__)
              yield from value.values()
  
imports: from collections import OrderedDict
  from tensorforce import TensorforceError
label_desc: Use image node_id 12 for calling the NestedDict obj's underlying member method code with example usage: obj.values() without return types