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python之未找到 lxml,请在@Colaboratory 中安装它

2025年05月04日22duanxz

我正在尝试将我的代码移植到 google Colaboratory。 很奇怪连我都做了

!pip3 install xml  

在我的代码中。 它仍然需要我安装 lxml。

有人遇到问题吗??

****Requirement already satisfied: lxml in /usr/local/lib/python3.6/dist-packages**** 
--------------------------------------------------------------------------- 
ImportError                               Traceback (most recent call last) 
<ipython-input-17-eda66c9ec97a> in <module>() 
     48 #df = financial_statement(2017,3) 
... 
/usr/local/lib/python3.6/dist-packages/pandas/io/html.py in _parser_dispatch(flavor) 
    695     else: 
    696         if not _HAS_LXML: 
--> 697             raise ImportError("lxml not found, please install it") 
    698     return _valid_parsers[flavor] 
    699  
 
**ImportError: lxml not found, please install it** 
 
 
**code:** 
 
!pip3 install lxml 
 
import requests 
 
import pandas as pd 
 
import numpy as np 
 
import keras 
 
import lxml 
 
import html5lib 
 
from bs4 import BeautifulSoup 
 
f_states=   pd.read_html('https://simple.wikipedia.org/wiki/List_of_U.S._states')  

请您参考如下方法:

使用pip或apt安装后,需要使用“Runtime/Restart runtime ...”重启runtime