### Problem We have the line ``` run: pip install gooey ``` in `tests-on-pr.yml`. ### Proposed solution Remove this line when a new `gooey` release is available This is discussed here: https://github.com/diffpy/diffpy.labpdfproc/issues/135 And implemented on this PR: https://github.com/diffpy/diffpy.labpdfproc/pull/217
