Force python2.6 on EL6

Fixes https://github.com/saltstack/salt/issues/22003

salt.spec

@@ -16,7 +16,7 @@
 
 Name: salt
 Version: 2014.7.4
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: A parallel remote execution system
 
 Group:   System Environment/Daemons
@@ -226,6 +226,13 @@ install -p -m 0644 %{SOURCE8} %{buildroot}%{_unitdir}/
 install -p -m 0644 %{SOURCE9} %{buildroot}%{_unitdir}/
 %endif
 
+# Force python2.6 on EPEL6
+# https://github.com/saltstack/salt/issues/22003
+%if 0%{?rhel} == 6
+sed -i 's#/usr/bin/python#/usr/bin/python2.6#g' %{buildroot}%{_bindir}/salt*
+sed -i 's#/usr/bin/python#/usr/bin/python2.6#g' %{buildroot}%{_initrddir}/salt*
+%endif
+
 install -p %{SOURCE10} .
 mkdir -p %{buildroot}%{_sysconfdir}/logrotate.d/
 install -p -m 0644 %{SOURCE11} %{buildroot}%{_sysconfdir}/logrotate.d/salt