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Posted to notifications@superset.apache.org by GitBox <gi...@apache.org> on 2021/06/15 10:01:52 UTC

[GitHub] [superset] diegoauad commented on issue #12867: Dashboard thumbnails not visible - Superset 1.0.0

diegoauad commented on issue #12867:
URL: https://github.com/apache/superset/issues/12867#issuecomment-861365288


   In my case, it seems that pillow wasn't properly installed and the worker was unable to resize the screenshots:
   
   ```
   celery[7177]: INFO:superset.utils.screenshots:No PIL installation found
   [INFO/ForkPoolWorker-3] Taking a PNG screenshot or url http://0.0.0.0:8080/superset/dashboard/9/
   celery[7355]: Failed at resizing thumbnail name 'Image' is not defined
   ```
   
   Dashboard screenshots need to be downsized, charts don't (that's why they work). I fixed it by reinstalling pillow and restarting the worker.


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