Fix CI job.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>

.gitlab-ci.yml

@@ -12,7 +12,7 @@ test_sensormapgeo:
   script:
     - source /root/miniconda3/bin/activate ci_env
 
-    - pip install pyresample<1.17.0  # https://github.com/pytroll/pyresample/issues/325
+    - pip install 'pyresample<1.17.0'  # https://github.com/pytroll/pyresample/issues/325
 
     # run nosetests
     - make nosetests