code: def weak_tensor_conversion_function(t):
      if isinstance(t, WeakTensor):
          return t.tensor
  
imports: from typing import Optional
  import numpy
  from tensorflow.python.eager import context
  from tensorflow.python.framework import composite_tensor_gradient
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import extension_type
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_conversion_registry
  from tensorflow.python.types import core
label_desc: Use image node_id 2 for calling a global function with example usage: weak_tensor_conversion_function(t) and returns: t