Fix cassandra dep
Fix cassandra dep

DavidHerzogTU-Berlin/astyanax,fengshao0907/astyanax,gorcz/astyanax,apigee/astyanax,DavidHerzogTU-Berlin/astyanax,fengshao0907/astyanax,gorcz/astyanax,Netflix/astyanax,bazaarvoice/astyanax,DavidHerzogTU-Berlin/astyanax,maxtomassi/ds-astyanax,Netflix/astyanax,Netflix/astyanax,bazaarvoice/astyanax,maxtomassi/ds-astyanax,apigee/astyanax