minor change to default preproc path

prepare-shell.sh

@@ -62,14 +62,14 @@ GCS_SUB_PROJECT_PATH="${BUCKET}/${SUB_PROJECT_NAME}"
 GCS_PATH="${GCS_SUB_PROJECT_PATH}/${MODEL_NAME}/${VERSION_NAME}"
 GCS_DATA_PATH="${GCS_PATH}/data${DATASET_SUFFIX}"
 GCS_CONFIG_PATH="${GCS_PATH}/config"
-GCS_PREPROC_PATH="${GCS_PATH}/preproc${DATASET_SUFFIX}"
+GCS_PREPROC_PATH="${GCS_PATH}${DATASET_SUFFIX}/preproc"
 GCS_TRAIN_MODEL_PATH="${GCS_PATH}${TRAINING_SUFFIX}/training"
 
 # local paths
 LOCAL_MODEL_PATH="${LOCAL_PATH_ROOT}/${MODEL_NAME}/${VERSION_NAME}"
 LOCAL_DATA_PATH="${LOCAL_MODEL_PATH}/data${DATASET_SUFFIX}"
 LOCAL_CONFIG_PATH="."
-LOCAL_PREPROC_PATH="${LOCAL_MODEL_PATH}/preproc${DATASET_SUFFIX}"
+LOCAL_PREPROC_PATH="${LOCAL_MODEL_PATH}${DATASET_SUFFIX}/preproc"
 LOCAL_TRAIN_MODEL_PATH="${LOCAL_MODEL_PATH}${TRAINING_SUFFIX}/training"
 
 echo "USE_CLOUD: $USE_CLOUD"