"git@i10git.cs.fau.de:pycodegen/lbmpy.git" did not exist on "edcba10da6c62bbe065fbd270be6236be50bc3f2"
otherwise the index gets lost.
Also, fix the staggered field access prettyprinter. It was correct after !86 (merged) but printed wrong indices after !92 (merged). I have now added a test.