We know for sure what the type of that plug-in is, only we can't import that type because it's a plug-in. We can (and did) import the plug-in type object MeshWriter though. Contributes to issue CURA-5330.
Turns out that gzip only accepts bytes as input, not str. Contributes to issue CURA-5097.
This plug-in outputs g-code to a gzipped archive. It is used for sending prints to the Ultimaker 3 family faster. Contributes to issue CURA-5097.
