Correctly compute uploaded avatar hash
Review Request #8840 — Created March 24, 2017 and submitted
The file upload avatar service was incorrectly computing the file hash
for use in ETag computations, but only if the
already cached in the user's settings. This issue has been fixed.
Uploaded an avatar and deleted the
file_cachekey. It caused an
AttributeError. After applying this patch, the error would not