fix https://travis-ci.org/radiasoft/sirepo/builds/161488830
fix https://travis-ci.org/radiasoft/sirepo/builds/161488830

mrakitin/sirepo,mkeilman/sirepo,radiasoft/sirepo,radiasoft/sirepo,mkeilman/sirepo,mrakitin/sirepo,radiasoft/sirepo,mrakitin/sirepo,mkeilman/sirepo,mrakitin/sirepo,mkeilman/sirepo,radiasoft/sirepo,radiasoft/sirepo