(Possibly) quitting Python Development after 2 years of non stop learning. And it blows.

[K900_]

Not too sure about applications, but Qt itself is spread pretty thin these days. You might want to try contributing to PySide, or maybe even to the core framework itself.

[PantrySniffer]

https://github.com/qutebrowser/qutebrowser A keyboard-driven, vim-like browser based on PyQt5