You are working on the psf/black repository. The source code is checked out at /testbed at commit…

You are working on the psf/black repository. The source code is checked out at /testbed at commit…: a task in SWE-Lego-RL-2699 (Harbor dataset). A cell with env = %env var , run black on the notebook. Originally reported here https://github.com/nbQA-dev/nbQA/issues/679 (thanks @danielsparing !)