REPO: Try a faster installation of Cython to speed up CI.
REPO: Try a faster installation of Cython to speed up CI.

Doctorhoenikker/line_profiler,jsalva/line_profiler,ymero/line_profiler,ymero/line_profiler,jsalva/line_profiler,amegianeg/line_profiler,eblur/line_profiler,eblur/line_profiler,Doctorhoenikker/line_profiler,amegianeg/line_profiler