As for the po/lottanzb.pot issue: distutilsextra seems to regenerate this file during the build process. I agree that this shouldn't be the case. I'll get in touch with the developer of distutilsextra so that we can fix this.
As for the po/lottanzb.pot issue: distutilsextra seems to regenerate this file during the build process. I agree that this shouldn't be the case. I'll get in touch with the developer of distutilsextra so that we can fix this.