Python sequence batch render

Hey everyone ,
i don‘t want to use cmd as A new, community-hosted Unreal Engine Wiki - Announcements - Unreal Engine Forums . also i had already look the sample as Engine\Plugins\MovieScene\SequencerScripting\Content\Python\sequencer_examples.py !
i want to batch render. but unreal.SequencerTools.render_movie(capture_settings) , but sequencerTools :Capture already in progress It only be once . and i use the threading ,but still not solved 。 how can i do? thanks