faces.py error

[ichengzi]

In which file did you encounter the issue?

vision/snippets/face_detection/faces.py

Did you change the file? If so, how?

yes . add type=int

Describe the issue

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/dist-packages/proto/marshal/rules/message.py", line 36, in to_proto
    return self._descriptor(**value)
TypeError: 'str' object cannot be interpreted as an integer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/test/python-docs-samples/vision/snippets/face_detection/./faces.py", line 104, in <module>
    main(args.input_image, args.output, args.max_results)
  File "/home/test/python-docs-samples/vision/snippets/face_detection/./faces.py", line 80, in main
    faces = detect_face(image, max_results)
  File "/home/test/python-docs-samples/vision/snippets/face_detection/./faces.py", line 44, in detect_face
    return client.face_detection(
  File "/usr/local/lib/python3.9/dist-packages/google/cloud/vision_helpers/decorators.py", line 112, in inner
    response = self.annotate_image(
  File "/usr/local/lib/python3.9/dist-packages/google/cloud/vision_helpers/__init__.py", line 76, in annotate_image
    r = self.batch_annotate_images(
  File "/usr/local/lib/python3.9/dist-packages/google/cloud/vision_v1/services/image_annotator/client.py", line 537, in batch_annotate_images
    requests[i] = image_annotator.AnnotateImageRequest(requests[i])
  File "/usr/local/lib/python3.9/dist-packages/proto/message.py", line 570, in __init__
    pb_value = marshal.to_proto(pb_type, value)
  File "/usr/local/lib/python3.9/dist-packages/proto/marshal/marshal.py", line 198, in to_proto
    return type(value)(self.to_proto(proto_type, i) for i in value)
  File "/usr/local/lib/python3.9/dist-packages/proto/marshal/marshal.py", line 198, in <genexpr>
    return type(value)(self.to_proto(proto_type, i) for i in value)
  File "/usr/local/lib/python3.9/dist-packages/proto/marshal/marshal.py", line 217, in to_proto
    pb_value = rule.to_proto(value)
  File "/usr/local/lib/python3.9/dist-packages/proto/marshal/rules/message.py", line 41, in to_proto
    return self._wrapper(value)._pb
  File "/usr/local/lib/python3.9/dist-packages/proto/message.py", line 604, in __init__
    super().__setattr__("_pb", self._meta.pb(**params))
TypeError: 'str' object cannot be interpreted as an integer