Package: python3-mpi4py Severity: important Dear Maintainer,
libopenmpi1.10 has been replaced by libopenmpi2 which is declared as conflicting with and replacing libopenmpi1.10. This means the two cannot coexist. python3-mpi4py depends on libopenmpi1.10 and so cannot be installed on a Debian Sid with libopenmpi2 installed. -- System Information: Debian Release: stretch/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.7.0-1-amd64 (SMP w/8 CPU cores) Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages python3-mpi4py depends on: ii libc6 2.24-2 ii libhwloc5 1.11.4-1 pn libopenmpi1.6 <none> ii python3 3.5.1-4 Versions of packages python3-mpi4py recommends: ii mpi-default-bin 1.7 Versions of packages python3-mpi4py suggests: ii python3-numpy 1:1.11.1~rc1-1