Update app.py

app.py

@@ -438,9 +438,13 @@ def invoke (prompt, file, history, rag_option, model_option, openai_api_key, k=3
     if (prompt.find('zeichnen') != -1):
         #Bild ausgeben
         image = Image.open(io.BytesIO(result)) 
+        buffer = io.BytesIO()
+        image.save(buffer, format='PNG')
+        desiredObject = buffer.getbuffer()
+        buffer.close()
         print("image:.................")
-        print(image)
-        history[-1][1] =  {"image": image},  #file.name, 
+        print(desiredObject)
+        history[-1][1] =  desiredObject  #file.name, 
         print("history zeichnen......................")
         print(history)
         if shared_state.interrupted: