django testing, open a response in a browser

tobrowser.py

import tempfile
import webbrowser
import time


def tobrowser(response):
    html_txt = response.content.decode("utf-8")
    tmp = tempfile.NamedTemporaryFile(delete=False)
    path = tmp.name + '.html'
    f = open(path, 'w')
    f.write(html_txt)
    f.close()
    webbrowser.open('file://' + path)
    time.sleep(2)
    tmp.close()