Update .gitlab-ci.yml

1 job for master in 26 seconds (queued for 2 seconds)
Name Stage Failure
failed
pages Test
ERROR 2018/10/08 17:36:34 /usr/bin/pandoc rendering doc/cl-vl/tb2/t2_4/index.pandoc: exit status 83
ERROR 2018/10/08 17:36:34 doc/cl-vl/tb2/t2_3/index.pandoc: Error running filter pandoc_latex_video.py:
ERROR 2018/10/08 17:36:34 doc/cl-vl/tb2/t2_3/index.pandoc: Could not find executable pandoc_latex_video.py
ERROR 2018/10/08 17:36:34 /usr/bin/pandoc rendering doc/cl-vl/tb2/t2_3/index.pandoc: exit status 83
ERROR 2018/10/08 17:36:34 doc/cl-vl/tb3/t3_3/index.pandoc: Error running filter pandoc_latex_video.py:
ERROR 2018/10/08 17:36:34 doc/cl-vl/tb3/t3_3/index.pandoc: Could not find executable pandoc_latex_video.py
ERROR 2018/10/08 17:36:34 /usr/bin/pandoc rendering doc/cl-vl/tb3/t3_3/index.pandoc: exit status 83
ERROR 2018/10/08 17:36:34 Error while rendering "page" in "doc/cl-vl/tb3/t3_2/": template: doc/single.html:1:3: executing "doc/single.html" at <partial "header.html...>: error calling partial: Partial "header.html" not found
ERROR: Job failed: exit code 1