Update app.py

app.py

@@ -10,12 +10,10 @@ class ChatWrapper:
     def __call__(
         self, inp: str, history: str, chain
     ):
-        """Execute the chat functionality."""
-                
-    output = chain({"question": inp, "chat_history": history})["answer"]        
-    history.append((inp, output))
-        
-    return history, history
+        """Execute the chat functionality."""            
+        output = chain({"question": inp, "chat_history": history})["answer"]        
+        history.append((inp, output))     
+        return history, history
 
 
 block = gr.Blocks(css=".gradio-container {background-color: gray}")