Update app.py

app.py

@@ -41,16 +41,16 @@ def ask_question(user_db, question):
     # Create a Text-to-SQL prompt
     prompt = f"Translate this question into an SQLite query.\nReturn only SQL (no text):\nQuestion: {question}\nSQL:"
 
-    # Generate text
-    response = sqlcoder_llm(prompt)
+    # ✅ Use .invoke() instead of calling the object directly
+    response = sqlcoder_llm.invoke(prompt)
 
-    # Some models return objects, ensure it's plain string
+    # Ensure we get plain string
     if isinstance(response, dict) and "text" in response:
         response = response["text"]
     elif isinstance(response, list):
         response = response[0]["generated_text"]
 
-    # Extract SQL from response (clean any extra text)
+    # Clean and finalize SQL
     sql_query = response.strip().split("SQL:")[-1].strip()
     sql_query = sql_query.split("\n")[0].strip()
     if not sql_query.endswith(";"):