code: def _NumTypeFields(arg):
      num = 0
      if arg.type != types_pb2.DT_INVALID:
          num += 1
      if arg.type_attr:
          num += 1
      if arg.type_list_attr:
          num += 1
      return num
  
imports: from google.protobuf import text_format
  from tensorflow.core.config import flags
  from tensorflow.core.framework import attr_value_pb2
  from tensorflow.core.framework import tensor_pb2
  from tensorflow.core.framework import tensor_shape_pb2
  from tensorflow.core.framework import types_pb2
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import op_callbacks
  from tensorflow.python.framework import op_def_library_pybind
  from tensorflow.python.framework import op_def_registry
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.util import _pywrap_utils
  from tensorflow.python.util import compat
  from tensorflow.python.util import tf_contextlib
label_desc: Use image node_id 8 for calling a global function with example usage: _NumTypeFields(arg) and returns: num