python爬虫——requests.exceptions.InvalidHeader: Invalid return character or leading space in header: co

在使用requests库爬去淘宝时，在登录输入headers参数时，复制user-agent和cookis时多了空格。

headers
{‘cookie’: ’ uab_collina=157258226625083933457665; thw=cn; t=36d1cd24cf0143fb6accdf025534d197; enc=97GhrHhKkErSIlgzQuOf4gDv8yB1IDMrzS%2FqNp8OhQXosfA5%2Bpm6Vj4%2B%2FjCYIIsIglI%2FeakHaMTRg2bsOCGe%2Fg%3D%3D; hng=CN%7Czh-CN%7CCNY%7C156; cna=PpdBFupPaykCAbdAPqcqw59D; v=0; cookie2=121748a20166b93dd684c8261dc86eb6; tb_token=f5bfe803ea637; XSRF-TOKEN=bff8aff9-5855-462d-a51f-99327ffa22e9; unb=895641240; uc3=nk2=Dko1KHWW&lg2=V32FPkk%2Fw0dUvg%3D%3D&id2=W8CIr%2FInTwtU&vt3=F8dBxdrNehCzWbX4PiU%3D; log=lty=Ug%3D%3D; csg=ca96291a; lgc=mzl990; cookie17=W8CIr%2FInTwtU; dnk=mzl990; skt=3c7a061320213fc1; existShop=MTU3OTU5ODE3Ng%3D%3D; uc4=id4=0%40WeNSQi8PrsoaiTXNzq3tCtfo1AA%3D&nk4=0%40DC%2BBCTLI5cN5BWGCg1N66fI%3D; publishItemObj=Ng%3D%3D; tracknick=mzl990; lc=Vyu4NkM3MhOuOyU%3D; cc=VFC%2FuZ9ajQ%3D%3D; lid=mzl990; tg=0; l_g=Ug%3D%3D; sg=008; nk=mzl990; cookie1=URmpRRlcewZgBX8x0WMItvw16nPjfGq5qrfiOwYV25E%3D; uc1=cookie16=Vq8l%2BKCLySLZMFWHxqs8fwqnEw%3D%3D&cookie21=WqG3DMC9Fbxq&cookie15=W5iHLLyFOGW7aA%3D%3D&existShop=false&pas=0&cookie14=UoTblALr4qh4Kw%3D%3D&cart_m=0&tag=8&lng=zh_CN; mt=ci=60_1; cookieCheck=54115; isg=BD09yDFsP3oon5sS1iGFb0SYTJA32nEsVjpWJ-CeRTDNl1oxyqB_Avm5GpwrYnk; l=cBSUpxagQxmM5G2EBOCanurza77OSIRYYuPzaNbMi_5Ce6T1e4_Oo0-5vF96VjWd9n8B4-ERe5p9-eteN8tZLSSpXUJ1.’, ‘user-agent’: ‘Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36’}

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