Fix linting problems

15 jobs for section_plots_812 in 53 minutes and 7 seconds (queued for 2 seconds)
Name Stage Failure
failed
gui tests Test
Uploading artifacts for failed job
Uploading artifacts...
gui/junit.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... ok
id=1675831 responseStatus=201 Created token=B1AGpjpd
Uploading artifacts...
gui/coverage/cobertura-coverage.xml: found 1 matching files and directories

Uploading artifacts as "cobertura" to coordinator... ok
id=1675831 responseStatus=201 Created token=B1AGpjpd
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1