I was trying to import mraa to acess gpio pins its giving no module named mraa.Anything need to do with libraries installation...
Once check the images that you loaded in your board.
Below is the link for the getting images:
https://phytecembeddedin-my.sharepoint.com/personal/rbdev_phytecembedded_in/_layouts/15/onedrive.aspx?id=%2Fpersonal%2Frbdev%5Fphytecembedded%5Fin%2FDocuments%2FDownloads%2FRB%2DA5D2x%2FRB%20BSP%20Releases%2FRB%2D20%2E0%2E1%2FRBNR%2D20%2E0%2E1
i have also faced same issue. surveyzop.com tellculvers