Fix for bug 2889 - Loading SUN397 crashed.

[jfb54]

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Fixed issue 2889 - Loading SUN397 crashed

• Dataset Name: sun397
• Issue Reference: Issue 2889

Description

A very small, surgical fix that allows the sun397 dataset to be downloaded and installed without issue. I made two small changes:

• I added a file that could not be decoded to the pre-existing _SUN397_IGNORE_IMAGES list.
• Even though the list _SUN397_IGNORE_IMAGES was present in the code, it was never referred to. So all I did was add an if statement in the main decoding loop that would ignore any file in the _SUN397_IGNORE_IMAGES list.

Checklist

• [x] Run download_and_prepare successfully
• [x] Lint code