New comment by mvf on void-packages repository

https://github.com/void-linux/void-packages/pull/23498#issuecomment-656524827

Comment:
Guess I didn't really explain the "useless" part. It means: Recent applications don't compile against the TR1 flavor of `alembic`: https://github.com/void-linux/void-packages/issues/23112#issue-642559341