fix some cmient-side caching issues (see #316)

7 jobs for master in 7 minutes and 5 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #6239
lint
test:lint:3.6

00:01:37

passed #6240
lint
test:lint:3.7

00:01:12

passed #6241
lint allowed to fail
test:lint:3.8

00:02:23

passed #6242
docker
test:py:3.6

00:04:11

48.0%
passed #6243
docker
test:py:3.7

00:04:08

48.0%
 
  Build
passed #6245
build allowed to fail
build:doc

00:01:42

passed #6244
build
build:py3

00:00:53