Samantha

@pllim, that PNG should be output by TweakReg in a previous cell. So either TweakReg isn't running for some reason or it's saving that file in a strange place that...

@pllim, I really do think that it's a GitHub issue and not something going wrong with TweakReg, although of course I'd be glad to hear @mcara weigh in on the...

It looks like @eslavich has it covered, but you're also welcome to submit an [HST help desk ticket](https://stsci.service-now.com/hst) which will send your question to the experts who wrote the notebooks....

Hello! Thanks for reporting this issue, @Ragadeepika-Pucha. I'm going to bring this to the attention of the DrizzlePac software folks (@stsci-hack and @mcara) but I would strongly urge you to...

This is a known issue with the new numpy version 1.18.1, more info can be found here: https://github.com/spacetelescope/drizzlepac/issues/582 A bug fix has already been coded, but not yet released (see:...