Building wheels across all three OSes and several Python and PyPy versions takes a rather long time, and it is not probably necessary.
PR #27 will add a GitHub Actions workflow that will run tests across all three OSes and the same Python and PyPy versions, and that finishes quicker. That should be a sufficient check for pull requests, besides the tests currently running on Travis CI and AppVeyor.
Building wheels across all three OSes and several Python and PyPy versions takes a rather long time, and it is not probably necessary.
PR #27 will add a GitHub Actions workflow that will run tests across all three OSes and the same Python and PyPy versions, and that finishes quicker. That should be a sufficient check for pull requests, besides the tests currently running on Travis CI and AppVeyor.