Apply the RHEL<=7 condition for python reqs only on RHEL-like systems

packaging/template.spec

@@ -1,7 +1,7 @@
 %global sfincb %{_datadir}/shellfu/include-bash
 %global sfmodn __SHELLFU_MODNAME__
 %global shellfu_req shellfu >= 0.10.4, shellfu < 0.11
-%if 0%{?rhel} <= 7
+%if 0%{?rhel} && 0%{?rhel} <= 7
 %global py_req     python
 %global pylibs_req python-libs
 %else