宝塔面板后台下载，TypeError: send_file() got an unexpected keyword argument ‘add_etags’报错解决方法
Traceback (most recent call last):
File "/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py", line 2525, in wsgi_app
response = self.full_dispatch_request()
File "/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py", line 1822, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py", line 1820, in full_dispatch_request
rv = self.dispatch_request()
File "/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py", line 1796, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File "/www/server/panel/BTPanel/__init__.py", line 943, in download
cache_timeout=0)
TypeError: send_file() got an unexpected keyword argument 'add_etags'
宝塔下载时提示：TypeError: send_file() got an unexpected keyword argument ‘add_etags’
/www/server/panel/pyenv/bin/pip install -U Flask==2.1.2
重启宝塔面板即可。
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