# # Virtual environment

If you create a virtual environment using the built-in Python on macOS, a pywebview window will have issues with keyboard focus and Cmd+Tab. The issue can be avoided by using other Python installation as described here
. For example, Python 3 installed via Homebrew](https://brew.sh) does not

    brew install python3
    virtualenv pywebview_env -p python3

Help us improve this page!