Merge branch 'issue391' into 'master'

fixing issue #391

Closes #391

See merge request !556
7 jobs for master in 22 minutes and 7 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #391652
basic-2.7

00:02:01

passed #391653
basic-3.7

00:01:51

passed #391654
python-2.7

00:07:57

passed #391655
python-3.7

00:08:47

68.0%
passed #391656
scheduled-python-3.7

00:21:37

 
  Deploy
passed #391657
pages

00:00:29

passed pages:deploy

00:00:01