Error: ENOENT: no such file or directory, stat '/opt/data/grist-widget/varamil/simplefilter'

Hey @Varamil 

It appears that not all files are being pulled in via grist-widget and it's throwing an error, specifically for yours at the moment. I create an issue via grist-widget. You can track it here: **https://github.com/gristlabs/grist-widget/issues/170**
