add BR: python

addressing:
Executing command: ['bash', '--login', '-c', 'rpmbuild -bs --target noarch --nodeps builddir/build/SPECS/spacecmd.spec'] with env {'LANG': 'en_US.UTF-8', 'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOSTNAME': 'mock', 'PROMPT_COMMAND': 'echo -n "<mock-chroot>"', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'}
sh: /usr/bin/python: No such file or directory
sh: /usr/bin/python: No such file or directory
sh: /usr/bin/python: No such file or directory
sh: /usr/bin/python: No such file or directory
sh: /usr/bin/python: No such file or directory
sh: /usr/bin/python: No such file or directory
sh: /usr/bin/python: No such file or directory
Automatic commit of package [spacecmd] release [2.3.2-1].