Use quotes for command

.gitlab-ci.yml

@@ -32,7 +32,7 @@ prepare_JUWELS:
     - module load CuPy
     - pip install -e .
     - pip install pytest-benchmark coverage
-    - alias mpirun=srun
+    - alias mpirun='srun'
 
 
 test_JUWELS:
@@ -68,7 +68,7 @@ test_JUWELS:
     - module load CuPy
   script:
     # - touch benchmarks/output.json
-    - alias mpirun=srun
+    - alias mpirun='srun'
     - echo $SYSTEMNAME
     - sbatch --wait etc/juwels_${SHELL_SCRIPT}.sh
     - touch .coverage.empty