code: def clear_op_callbacks():
      """Clear all op callbacks registered in the current thread."""
      for callback in context.context().op_callbacks:
          remove_op_callback(callback)
  
imports: from tensorflow.python.eager import context
  from tensorflow.python.eager import execute
label_desc: Use image node_id 4 for calling a global function with example usage: clear_op_callbacks() without return types