Another fix for bob.buildout

gitlab/before_build.sh

@@ -56,10 +56,9 @@ else
 fi
 
 PIPOPTS="--find-links ${WHEELS_REPOSITORY} --trusted-host ${WHEELS_SERVER}"
-PIPOPTS="${PIPOPTS} --use-wheel --pre"
 # zc.recipe.egg cannot be installed via wheels, so we need this hack...
 if [ "${CI_PROJECT_NAME}" != "bob.buildout" ]; then
-  PIPOPTS="${PIPOPTS} --no-index"
+  PIPOPTS="${PIPOPTS} --pre --use-wheel --no-index"
 fi
 
 # Install this package's build dependencies