Update app.py

app.py

@@ -61,7 +61,7 @@ def get_response(openai_apikey, msg, bot, query_engine):
 
 def up_file(files):
     Doc_text_list = []
-    for file in emunerate(files):
+    for file in enumerate(files):
         print(file.name)
         return gr.Textbox.update(visible = True), gr.Button.update(visible = True), gr.Markdown.update(value = '点击“建立索引”开始对话',)