stiltr

I applied PR #1774 and that seems to have fixed the problem for me. I just modified utils.py and restarted guake. For me it was located at /usr/lib/python3.7/site-packages/guake/utils.py, but it...

@JanezStupar & @Iakobs, did you try https://github.com/Guake/guake/issues/1720#issuecomment-741529867?

Worked for me with: `pipx runpip slack-export-viewer install werkzeug==v2.0.3`