Python:NameError: name 'null' is not defined

问题代码

html ="""["http:\/\/weibo.com\/2084584685",10,null,null,false,true,0]"""
html = eval(html)

报错

NameError: name 'null' is not defined

html是采集后从源码中获取的,除了给null,false,true添加双引号以外,还有其他解决办法吗?

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