extend python-2.7/buildout.cfg for 'python = python2.7' configuration.

software/mariadb/software.cfg

@@ -5,7 +5,6 @@ extends =
   ../../component/dcron/buildout.cfg
   ../../component/logrotate/buildout.cfg
   ../../component/stunnel/buildout.cfg
-  ../../component/python-2.7/buildout.cfg
   ../../component/lxml-python/buildout.cfg
   ../../component/gzip/buildout.cfg
   ../../component/duplicity/buildout.cfg

stack/slapos.cfg

@@ -16,6 +16,7 @@ extensions +=
 
 # Use shacache and lxml
 extends =
+  ../component/python-2.7/buildout.cfg
   ../component/lxml-python/buildout.cfg
   ../component/python-cffi/buildout.cfg
   ../component/python-cryptography/buildout.cfg