rhizo_base: Python ESL requires packages for wheel build

The python-ESL package, installed via pip, has dependencies on some
build materials that need to be installed via apt-get first.

modules/rhizo_base/manifests/init.pp

@@ -515,6 +515,7 @@ schedule { 'repo':
       schedule => 'onceweek',
       ensure  => 'present',
       pkgname => 'python-ESL',
+      require => Class['rhizo_base::packages']
     }
 
   python::pip { 'csvkit':