Fix download script location (#379)

Author: guangy10

scripts/workflow.sh

@@ -51,7 +51,7 @@ function download_checkpoint() {
     if [ "$FORCE_DOWNLOAD" = true ] || [ ! -d "$CHECKPOINT_DIR" ] || [ -z "$(ls -A "$CHECKPOINT_DIR")" ]; then
         echo "Download checkpoint for $MODEL_REPO"
         rm -rf "$CHECKPOINT_DIR"
-        python3 scripts/download.py --repo-id "$MODEL_REPO"
+        python3 download.py --repo-id "$MODEL_REPO"
     else
         echo "Checkpoint directory for $MODEL_REPO is not empty. Skipping download."
     fi
@@ -62,7 +62,17 @@ function run_validation_e2e() {
 
     echo ""
     echo "############### Validating ${MODEL_REPO##*/} ###############"
+
+    if [ ! -f "download.py" ]; then
+        echo "download.py doesn't exist."
+        exit 1
+    fi
     download_checkpoint "$MODEL_REPO"
+
+    if [ ! -f "build/convert_hf_checkpoint.py" ]; then
+        echo "build/convert_hf_checkpoint.py doesn't exist."
+        exit 1
+    fi
     bash .ci/scripts/convert_checkpoint.sh "$MODEL_REPO"
 
     set +e