Description of problem:
After installing python3 into the buildroot to work around bug 1331789, I get these errors when building cp2k. I'm not sure if they're related, but they seem to come both from scripts provided by rpm-mpi-hooks and Lmod.

Version-Release number of selected component (if applicable):
rpm-mpi-hooks-3-6.fc24.noarch
Lmod-6.3.1-1.fc25.x86_64

How reproducible:
Always.

Steps to Reproduce:
1. Build current cp2k package from git master HEAD with mock -r fedora-rawhide-x86_64

Actual results:
When rpmbuild gets to extracting Provides/Requires, I see tons of the errors below, repeating over and over:
[...]
/usr/bin/lua: /usr/share/lmod/lmod/libexec/../tools/TermWidth.lua:69: bad argument #2 to 'tonumber' (number expected, got boolean)
stack traceback:
	[C]: in function 'tonumber'
	/usr/share/lmod/lmod/libexec/../tools/TermWidth.lua:69: in upvalue 'askSystem'
	/usr/share/lmod/lmod/libexec/../tools/TermWidth.lua:92: in function 'TermWidth'
	/usr/share/lmod/lmod/libexec/../tools/Banner.lua:54: in upvalue 'new'
	/usr/share/lmod/lmod/libexec/../tools/Banner.lua:65: in function 'Banner.banner'
	/usr/share/lmod/lmod/libexec/lmod:555: in function 'main'
	/usr/share/lmod/lmod/libexec/lmod:711: in main chunk
	[C]: in ?
/usr/share/lmod/lmod/init/sh: line 14: 80: command not found
/usr/lib/rpm/mpi.req: line 57: mpi_compiler_for_dir[${MPI_HOME}]: bad array subscript
[...]

Expected results:
No errors during build.