Add black to pre-commit hooks. Fixes: #616#764
Open
SukiCZ wants to merge 2 commits intojazzband:masterfrom 
Open
Add black to pre-commit hooks. Fixes: #616#764SukiCZ wants to merge 2 commits intojazzband:masterfrom 
SukiCZ wants to merge 2 commits intojazzband:masterfrom