Reordering build checks so that pyflakes precedes YAPF (#66)
Reordering build checks so that pyflakes precedes YAPF (#66)

If there's a syntax error in a file not covered by unit tests, YAPF will crash
whereas pyflakes will fail gracefully with a helpful error message.
JeetShetty/GreenPiThumb,JeetShetty/GreenPiThumb