Traceback (most recent call last):

 "C:\Python33\lib\logging\__init__.py", line 941, in emit

 "C:\Python\64-bit\3.3\lib\encodings\cp1252.py", line 19, in encodeUnicodeEncodeError: 'charmap' codec can't encode character '\u220f' in position 156: character maps to <undefined>
Traceback (most recent call last):


 "C:\Program 
s\Python37\lib\asyncio\runners.py", line 43, in run

return loop.run_until_complete(main)


 "C:\Program 
s\Python37\lib\asyncio\base_events.py", line 584, in run_until_complete

return future.result()


 "C:/Users/wolf/work/ruia/examples/concise_hacker_news_spider/main.py", line 18, in main

result = await asyncio.gather(*coroutine_list)


 "C:/Users/wolf/work/ruia/examples/concise_hacker_news_spider/main.py", line 13, in parse_one_page

return await HackerNewsItem.get_items(url=url)


 "C:\Users\wolf\work\ruia\ruia\item.py", line 53, in get_items

html_etree = await cls._get_html(html, url, **kwargs)


 "C:\Users\wolf\work\ruia\ruia\item.py", line 41, in _get_html

return etree.HTML(html)


 "src\lxml\etree.pyx", line 3159, in lxml.etree.HTML


 "src\lxml\parser.pxi", line 1876, in lxml.etree._parseMemoryDocument
ValueError: can only parse strings
