Replaced exit- by return-statement in run_pytest.sh in order to prevent...

Replaced exit- by return-statement in run_pytest.sh in order to prevent logging out from HPC-system.

test/run_pytest.sh

 #!#bin/bash
-export PYTHONPATH=$WORKDIR/ambs/video_prediction_tools:$PYTHONPATH
+export PYTHONPATH=/p/project/deepacf/deeprain/langguth1/ambs/video_prediction_tools:$PYTHONPATH
 # Name of virtual environment 
-VIRT_ENV_NAME="vp_new_structure"
+VIRT_ENV_NAME="venv_juwels"
 
 
 if [ -z ${VIRTUAL_ENV} ]; then
@@ -10,7 +10,7 @@ if [ -z ${VIRTUAL_ENV} ]; then
       source ../video_prediction_tools/${VIRT_ENV_NAME}/bin/activate
    else
       echo "ERROR: Requested virtual environment ${VIRT_ENV_NAME} not found..."
-      exit 1
+      return
    fi
 fi