Fixed linting.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
3 jobs for v0.18.12 in 10 minutes (queued for 21 minutes and 11 seconds)
latest
Status Name Job ID Coverage
  Test
passed test_gms_preprocessing #50873

00:09:20

63.0%
passed test_styles #50874

00:00:20

 
  Deploy
passed deploy_pypi #50875

00:00:19