code: def test_detection_proto_packet(self):
      detection = detection_pb2.Detection()
      text_format.Parse("score: 0.5", detection)
      p = packet_creator.create_proto(detection).at(100)
  
imports: import gc
  import random
  import sys
  from absl.testing import absltest
  import numpy
  from google.protobuf import text_format
  from mediapipe.framework.formats import detection_pb2
  from mediapipe.python import packet_creator
  from mediapipe.python import packet_getter
  from mediapipe.python._framework_bindings import calculator_graph
  from mediapipe.python._framework_bindings import image
  from mediapipe.python._framework_bindings import image_frame
  from mediapipe.python._framework_bindings import packet
label_desc: Use image node_id 14 for calling the PacketTest obj's underlying member method code with example usage: obj.test_detection_proto_packet() without return types