fix: non-existent dir

app.py

@@ -100,6 +100,7 @@ def _upload_remote_ratings(df: pd.DataFrame):
 
     with tempfile.TemporaryDirectory() as tmpdir:
         csv_path = Path(tmpdir) / RATINGS_FILE
+        csv_path.parent.mkdir(parents=True, exist_ok=True)
         df.to_csv(csv_path, index=False)
         api.upload_file(
             path_or_fileobj=str(csv_path),
@@ -173,7 +174,7 @@ def start_or_resume(user_id: str, state_df):
         gr.update(value=user_id, visible=True),
         gr.update(visible=True),  # eval_col
         gr.update(visible=True),  # submit_btn
-        q,
+        "**" + q + "**",
         a1,
         a2,
         str(idx),
@@ -200,7 +201,7 @@ def submit_preference(user_id: str, row_idx_str: str, choice: str, state_df):
         return "", "", "", "", "🎉 You have evaluated every item – thank you!"
 
     idx, q, a1, a2 = record
-    return q, a1, a2, str(idx), ""
+    return "**" + q + "**", a1, a2, str(idx), ""
 
 
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