pip与sudo，但pip列出软件包outdate

我使用sudo pip3安装了以下软件包，但是pip再次打印了outdate软件包。如何成功安装它们？pip与sudo，但pip列出软件包outdate

Package      Version Latest  Type 
---------------------------- --------- ----------- ----- 
bleach      1.5.0  2.0.0  wheel 
html5lib      0.9999999 0.999999999 wheel 
jupyter-contrib-nbextensions 0.3.0  0.3.1  wheel 
... 
murmurhash     0.26.4 0.28.0  sdist 
nbconvert     5.2.1  5.3.1  wheel 
pyasn1-modules    0.1.1  0.1.4  wheel 


⇒ sudo pip3 install html5lib 

Password: 
The directory '/Users/william/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag. 
The directory '/Users/william/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag. 
Requirement already satisfied: html5lib in /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages 
Requirement already satisfied: six in /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages (from html5lib)**

来源

2017-09-14 William Song

您是否使用'pip'或'pip3'列出的包？ – jwodder

pip3，我总是用3 –

为了升级已安装的软件包，您需要将--upgrade标志传递给pip install，例如：

sudo pip3 install --upgrade html5lib

来源

2017-09-15 12:18:54 jwodder

pip与sudo，但pip列出软件包outdate

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