Fix bug in init script

When searching for a cuDNN module, the output was not redirected to stdout.

scripts/init.sh

@@ -16,7 +16,7 @@ module load $(module avail -o modulepath -t -C "python-${PYTHON_VERSION}" 2>&1 |
 module load $(module avail -o modulepath -t -C "python-${PYTHON_VERSION}" 2>&1 | grep "matplotlib/")
 module load $(module avail -o modulepath -t -C "python-${PYTHON_VERSION}" 2>&1 | grep "pandas/")
 module load cuda/$CUDA_VERSION
-CUDNN_MOD=$(module avail -o modulepath -t cudnn | grep "cuda-${CUDA_VERSION}" 2>&1 | sort | tail -n1)
+CUDNN_MOD=$(module avail -o modulepath -t cudnn 2>&1 | grep "cuda-${CUDA_VERSION}" | sort | tail -n1)
 if [[ ${CUDNN_MOD} ]]
 then
     module load ${CUDNN_MOD}