Uncaught error when uploading same apk again

Steps to reproduce

• Go to repo index
• Click on "browse to upload" and select an apk
• Click on "add"
• On edit screen, upload same apk again
• Click on done

Logs

Traceback:
File "/home/nico/Work/Current/F-Droid/repomaker/maker/views/app.py" in form_valid
  124.                 raise e

File "/home/nico/Work/Current/F-Droid/repomaker/maker/views/app.py" in form_valid
  121.                 pointer.initialize()  # this also attaches the app

File "/home/nico/Work/Current/F-Droid/repomaker/maker/models/apk.py" in initialize
  152.         self.save()

Exception Type: IntegrityError at /repo/1/app/2/edit/
Exception Value: UNIQUE constraint failed: maker_apkpointer.apk_id, maker_apkpointer.app_id

changed milestone to %1.0

changed title from Uncatched error when uploading same apk again to Uncaught error when uploading same apk again

changed the description

After #82 (closed) is implemented, this should only affect users without JavaScript.

added dev label

After 82 is implemented, this should only affect users without JavaScript.

I think not because some people might still want to browse files to upload rather than do drag and drop.

mentioned in merge request !107 (merged)

added Doing and removed ~2112488 labels

assigned to @grote

removed Doing label