<p>安装软件时,我的终端收到一条消息:<code>You are using pip version 8.1.1, however version 10.0.0 is available. You should consider upgrading via the 'pip install --upgrade pip' command.</code></p>
<p>所以我升级了pip版本:<code>$ pip install --upgrade pip</code></p>
<p>现在我得到这个错误:</p>
<pre><code>~$ pip install ipython
Traceback (most recent call last):
File "/usr/bin/pip", line 9, in <module>
from pip import main
ImportError: cannot import name main
</code></pre>