Fix GPU test

use check_model.py not ../check_model.py

.gitlab-ci.yml

@@ -453,7 +453,7 @@ test-gnu-bin-base-gpu:
     - export PYTHONPATH=$HOME/intel/oneapi/intelpython/latest/lib/python3.7/site-packages/
     - export OMP_NUM_THREADS=1
     - cd tests/gpu_test/regression/
-    - for direc in ../*/; do cd $direc; mpiexec -n 1 ../../../gnu_base/bin/sisso++; python ../check_model.py; done
+    - for direc in ../*/; do cd $direc; mpiexec -n 1 ../../../gnu_base/bin/sisso++; python check_model.py; done
     - cd ../../../
 
 build-gnu-gcov: