Stef Pause

Here's a step-by-step of worked for me on macOS 10.15 Catalina: Install the Xcode commandline tools if you need to `xcode-select --install` note that opencv@2 depends on ffmpeg now so...

Oh, I forgot to mention. If you can't compile because of a `ImportError: No module named _winreg` warning or something like that (winreg doesn't exist on non-Windows platforms, so it's...