to prevent Fedora 30 BuildRoot Policy Scripts from failing the build with
"ambiguous python shebang" errors.

https://fedoraproject.org/wiki/Changes/Make_ambiguous_python_shebangs_error
https://fedoraproject.org/wiki/Packaging:Guidelines#Shebang_linesSigned-off-by: NMerlin Mathesius <mmathesi@redhat.com>