Update app.py

app.py

@@ -56,9 +56,10 @@ def preprocess_chat_history(
 
 
 def upload(files: Optional[List[str]], chatbot: CHAT_HISTORY) -> CHAT_HISTORY:
-    for file_path in files:
-        image_path = gr.Image(type="filepath")
-        image_path.process(file_path)
+    for file in files:
+        image = Image.open(file).convert('RGB')
+        image = preprocess_image(image)
+        image_path = cache_pil_image(image)
         chatbot.append(((image_path,), None))
     return chatbot