While installing matplotlib from source, I got this error: lto1: fatal error: bytecode stream in file ‘subprojects/qhull-8.0.2/libqhull_r.a.p/src_libqhull_r_global_r.c.o’ generated with LTO version 15 ...

Running the install script on a mobile network. When the curl failed, the install script continued and asked for the sudo password. After rejecting the sudo-promt (Ctrl+C) the script also continued. > ...