Update app.py

app.py

@@ -39,7 +39,7 @@ def respond(message, history):
         response = vq.submit_query(message)
         yield response
 
-cfg.title = f'''<center> <img src="https://github.com/david-oplatka/chatbot-streamlit/blob/main/Vectara-logo.png?raw=true" width:200px; height:40px">
+cfg.title = f'''<center> <img src="https://github.com/david-oplatka/chatbot-streamlit/blob/main/Vectara-logo.png?raw=true" width="200px" height="40px">
                 <br>
                 <h1>{cfg.title}</h1> </center>
                 '''