code: def is_op_type_function(op_type):
      return compat.as_bytes(op_type).startswith(_FUNCTION_PREFIXES)
  
imports: import atexit
  import os
  import re
  import socket
  import threading
  import uuid
  from tensorflow.core.framework import graph_debug_info_pb2
  from tensorflow.core.framework import tensor_pb2
  from tensorflow.core.protobuf import debug_event_pb2
  from tensorflow.python.debug.lib import debug_events_writer
  from tensorflow.python.debug.lib import op_callbacks_common
  from tensorflow.python.debug.lib import source_utils
  from tensorflow.python.eager import function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import op_callbacks
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_debug_ops
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.util import compat
  from tensorflow.python.util import object_identity
  from tensorflow.python.util import tf_stack
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 1 for calling a global function with example usage: is_op_type_function(op_type) and returns: compat