Python PIL is not so tolerant, so bad EXIF causes crashes:
File "/var/lib/jenkins/userContent/reproducible/reproducible_fdroid_build_apps/fdroidserver/update.py", line 2088, in main
insert_localized_app_metadata(apps)
File "/var/lib/jenkins/userContent/reproducible/reproducible_fdroid_build_apps/fdroidserver/update.py", line 978, in insert_localized_app_metadata
_strip_and_copy_image(os.path.join(root, f), destdir)
File "/var/lib/jenkins/userContent/reproducible/reproducible_fdroid_build_apps/fdroidserver/update.py", line 754, in _strip_and_copy_image
in_image = Image.open(fp)
File "/usr/lib/python3/dist-packages/PIL/Image.py", line 2687, in open
% (filename if filename else fp))
OSError: cannot identify image file <_io.BufferedReader name='build/org.sw24softwares.starkeverben/fastlane/metadata/android/en-US/images/featureGraphic.png'>
