Fix: Syntax error with string literals fixed

app.py

@@ -52,14 +52,10 @@ def respond(message, history):
     
     prompt = ""
     for user_msg, assistant_msg in history:
-        prompt += f"User: {user_msg}
-Assistant: {assistant_msg}
-"
-    prompt += f"User: {message}
-Assistant:"
+        prompt += "User: " + user_msg + "\nAssistant: " + assistant_msg + "\n"
+    prompt += "User: " + message + "\nAssistant:"
     
-    logger.info(f"Formatted Prompt:
-{prompt}")
+    logger.info(f"Formatted Prompt: {prompt}")
     
     payload = {
         "inputs": prompt,
@@ -69,7 +65,7 @@ Assistant:"
     result = query_model(payload)
     
     if "error" in result:
-        return f"Error: {result['error']}"
+        return "Error: " + result["error"]
     
     if isinstance(result, list) and len(result) > 0:
         text = result[0].get("generated_text", "")