Cython is required for the setup
This MR will complain that cython is not there, instead of complaining that a .c file is not there (cause it was not cythonized).
Closes again #1142 (closed)
Edited by Valentin Valls
This MR will complain that cython is not there, instead of complaining that a .c file is not there (cause it was not cythonized).
Closes again #1142 (closed)