In
https://symbiflow.readthedocs.io/projects/prjxray/en/latest/db_dev_process/readme.html
Step 2 it says to:
git submodule update --init --recursive
But omits to say in which directory.
I guess the top of prjxray?
But not having to guess would be better :)
For the record, I cloned symbiflow-arch-pkgs first and I already
had issued a similar command there, so I was not really shure where the step applied.