code: def is_continuous(spec):
      if isinstance(spec, TensorSpec):
          return spec.dtype.is_floating
      else:
          return array_spec.is_continuous(spec)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  from typing import Union
  import numpy
  import tensorflow
  import tensorflow_probability
  from tf_agents.specs import array_spec
  from tf_agents.typing import types
  from google.protobuf import text_format
  from tensorflow.core.protobuf import struct_pb2
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.saved_model import nested_structure_coder
label_desc: Use image node_id 3 for calling a global function with example usage: is_continuous(spec) and returns: spec, array_spec