execjs 执行JS代码报错

Python调用js代码生成param字典并加密，然后返回。但是报错，有一个乱码错误我已经解决了，但是还有个‘\n’的报错，找不到解决办法。

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function getPostParamCode(method,city,type,startTime,endTime){
var param={}；
param.city=city;
param.type=type;
param.startTime=startTime;
param.endTime=endTime;
//return getParam(method,param)；
return param;
}

import execjs
#params
method='GETCITYWEATHER'
city='绵阳'
type='HOUR'
start_time=r'2021-10-15 12:00:00'
end_time=r'2021-20-16 15:00:00'
file='AirQuality.js'
#getparams
js='getPostParamCode("{0}","{1}","{2}","{3}","{4}")'.format(method,city,type,start_time,end_time)
node=execjs.get()
etc=node.compile(open('AirQuality.js',encoding='utf-8').read())
param=etc.eval(js)
print(param)

报错：

execjs._exceptions.ProcessExitedWithNonZeroStatus: (1, '', '[stdin]:159\nvar param={}；\n            \n\nSyntaxError: Invalid or unexpected token\n    at new Script (vm.js:102:7)\n    at createScript (vm.js:262:10)\n    at Object.runInThisContext (vm.js:310:10)\n    at internal/process/execution.js:81:19\n    at [stdin]-wrapper:6:22\n    at evalScript (internal/process/execution.js:80:60)\n    at internal/main/eval_stdin.js:29:5\n    at Socket.<anonymous> (internal/process/execution.js:209:5)\n    at Socket.emit (events.js:412:35)\n    at endReadableNT (internal/streams/readable.js:1334:12)\n')

你var param={}；这行的分号是中文分号...你把js代码粘贴在浏览器控制台就知道具体错误了...

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