See https://github.com/OSGeo/gdal/blob/v3.1.1/gdal/NEWS switch to python3 only, all the py-gdal consumers (qgis, mapproxy, fiona and rasterio) exclusively use python3 since a while.
See https://github.com/OSGeo/gdal/blob/v3.1.1/gdal/NEWS switch to python3 only, all the py-gdal consumers (qgis, mapproxy, fiona and rasterio) exclusively use python3 since a while.