I write the http command and the name of the site from the lesson, after that, regardless of the selected site at the end, instead of the html porridge gives this error enter image description here

HTIP/1.1 200 OK Connection: keep-alive Content-Encoding: gzip Content-Type: text/html; charset=utf-8 Date: ... Server: nginx/1.4.6 (Ubuntu) Transfer-Encoding: chunked X-Frame-options: SAMEORIGIN http: error: AttributeError: 'TextTranscodingwrapper' object has no attribute 'buffer' 

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