Update app.py

app.py

@@ -31,8 +31,10 @@ messages = [{"role": "system", "content": 'You are a helpful assistant.'}]
 
 #debug use
 def foo(dir):
-    return [d.name for d in dir]
-
+    ret = []
+    for filename in os.listdir(dir.name)
+        ret.append(filename)
+    return ret
 
 # debug use
 with gr.Blocks() as foo: