Update app.py

app.py

@@ -439,7 +439,7 @@ def ask_df(df, api_key, model, ui_session_id):
         question = row.iloc[-1]
         print(f"Question: {question}")
         if len(question)<2:
-            question = df.at[index-1, question_column].split("\n---\n")[0]
+            question = df.at[0, question_column].split("\n---\n")[0]
         db_folder = "/".join([session_folder, row["File name"]])
         db = FAISS.load_local(db_folder,embeddings)
         docs = db.similarity_search(question)