If you rely need 7.9.2 its here:
https://www.nulledfrm.com/threads/module-jpresta-speed-pack-7-9-2.36216/
Otherwise the latest version 7.9.11 is here
https://www.nulledfrm.com/threads/module-jpresta-speed-pack-7-9-11.41023/
I use Product Catalog (CSV, Excel) Import (by MyPrestaModules).
It works fine for me, but I haven't tried the cron function.
You'll find the module at
https://www.nulledfrm.com/threads/myprestamodules-product-catalog-csv-xlsx-import-6-5-3.37955/
Perhaps you could try another checkout.
Take a look in the settings for the theme Warehouse. If there is a setting for Maxmind, geoip or something like that, try to disable it.
Probably both the theme Warehouse and the module SuperCheckout use the same the same class name, or both the theme and module use maxmind.
I'm not sure whats the best solution to solve it would be.
I had the module 'Super Speed - Incredibly fast - GTmetrix optimization' installed on a shop, then I installed the theme 'Electron Mega Electronic Super Store'.
When I activated the theme, Super Speed became messed up. There is probably some kind of conflict with a css or js-file. I just cant...