code: def _uid(self):
      # Undefined assets (e.g. UndefinedMaterial) are singletons and thus their uid is always equal
      # to their name (without an instance counter)
      return f"{self.name}"
  
imports: import collections
  import contextlib
  import munch
  import numpy
  import traitlets
  from kubric.utils import next_global_count
label_desc: Use image node_id 1 for calling the UndefinedAsset obj's underlying member method code with example usage: obj._uid() and returns: self