When debugging an unittest, stepping through the lines result in a new tab being opened with each step. This is intermittent and may be resolved when closing and reopening vscode. I've noticed the ...
cd /Users/hyh/code/cv/Open3D ; /usr/bin/env /Users/hyh/code/cv/Open3D/.venv/bin/python /Users/hyh/.vscode/extensions/ms-python.debugpy-2025.10.0-darwin-arm64/bundled ...