如何摆脱＆＃34;警告：root：某些字符无法解码，并被替换为REPLACEMENT CHARACTER。＆＃34;在beautifulSoup python3中

Question

使用pydev，在编译此代码时：

import re
import urllib.request 
from bs4 import BeautifulSoup

url = "http://talkingpointsmemo.com/news/trump-response-melania-speech-plagiarism"
req = urllib.request.Request(url, headers={'User-Agent': 'Chrome/51.0.2704.103'})
html = urllib.request.urlopen(req).read()

给出错误WARNING:root:Some characters could not be decoded, and were replaced with REPLACEMENT CHARACTER.

这不起作用。

reqSoup = BeautifulSoup('http://acl.ldc.upenn.edu/P/P96/P96-1004.pdf')

来源：Warning: Some characters could not be decoded, and were replaced by REPLACEMENT CHARACTER 什么是html_path在这一行

soup = BeautifulSoup(open(html_path, 'r'),"html.parser",from_encoding="iso-8859-1")

来源：WARNING:root:Some characters could not be decoded, and were replaced with REPLACEMENT CHARACTER. With Requests and Beastuifulsoup