module entry: dont support yaml list syntax but rather just a string

templates/common/build_icon.sh

@@ -5,7 +5,7 @@ ICON_VERSION=%ICON.VERSION%
 COMPILER=%SPACK.COMPILER%
 
 MODULES="%MODULES%"
-if [ ! -z "${MODULES}" ]; then module load $(python -c "print(' '.join(${MODULES}))"); fi
+if [ ! -z "${MODULES}" ]; then module load ${MODULES}; fi
 
 # If the workdir directory does not exist create it
 if [ ! -d ${WORKDIR} ]; then

templates/common/build_python_environment.sh

@@ -9,7 +9,7 @@ SPACK_COMPILER=%SPACK.COMPILER%
 PYTHON_VERSION=%PYTHON_ENVIRONMENT.PYTHON_VERSION%
 
 MODULES="%MODULES%"
-if [ ! -z "${MODULES}" ]; then module load $(python -c "print(' '.join(${MODULES}))"); fi
+if [ ! -z "${MODULES}" ]; then module load ${MODULES}; fi
 
 # Go to the working directory
 cd ${WORKDIR}