Update app.py

app.py

@@ -51,7 +51,7 @@ def stream_chat(message: Dict[str, str], history: list):
 
     generate_kwargs = dict(
         input_ids=input_ids,
-        pixel_values=pixel_values
+        pixel_values=pixel_values,
         streamer=streamer,
         max_new_tokens=256,
     )