chapter12.mlx code fails because yolov2IndoorObjectDetector.zip download is not available

[remo-pillat]

When running the code of chapter 12, a test last week failed with the following error message (see below). This might have been a sporadic issue, but please investigate if that's an issue or not.

The full test logs are here.

Relevant error snippet ... Downloading pretrained network (98 MB)... 2025-02-24T02:49:28.5927728Z 2025-02-24T02:49:28.5927887Z ================================================================================ 2025-02-24T02:49:28.5928629Z Error occurred in tChapter12/runMLXFile and it did not run to completion. 2025-02-24T02:49:28.5929343Z --------- 2025-02-24T02:49:28.5929621Z Error ID: 2025-02-24T02:49:28.5930070Z --------- 2025-02-24T02:49:28.5930425Z 'MATLAB:webservices:HTTP403StatusCodeError' 2025-02-24T02:49:28.5930906Z -------------- 2025-02-24T02:49:28.5931210Z Error Details: 2025-02-24T02:49:28.5931512Z -------------- 2025-02-24T02:49:28.5934313Z Error using websave (line 107) 2025-02-24T02:49:28.5938044Z The server returned the status 403 with message "Forbidden" in response to the request to URL https://www.mathworks.com/supportfiles/vision/data/yolov2IndoorObjectDetector.zip. 2025-02-24T02:49:28.5939460Z
2025-02-24T02:49:28.5941644Z Error in chapter12 (line 274) 2025-02-24T02:49:28.5943863Z websave(pretrainedNetworkZip,pretrainedURL); ...