Changed the default image.

I changed the default image.

Closes #77
2 jobs for 77-change-default-image in 1 minute and 28 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
passed whats-open-py3.5 #4578

00:01:25

passed whats-open-py3.6 #4579

00:01:28