擅长:python、mysql、java
<p><strong>简洁的回答</strong></p>
<p>1.定位pip:</p>
<pre><code>$ which pip
/usr/local/bin/pip
</code></pre>
<p>2.列出上述位置的所有PIP:</p>
<pre><code>$ ls /usr/local/bin/pip*
/usr/local/bin/pip /usr/local/bin/pip2.7 /usr/local/bin/pip3.5
/usr/local/bin/pip2 /usr/local/bin/pip3
</code></pre>
<p>3.选择您的默认值,即<code>/usr/local/bin/pip2.7</code>,并将其复制到<code>pip</code>:</p>
<pre><code>$ sudo cp /usr/local/bin/pip2.7 /usr/local/bin/pip
</code></pre>
<hr/>
<p>验证:</p>
<pre><code>$ pip -V
pip 10.0.1 from /usr/local/lib/python2.7/dist-packages/pip (python 2.7)
</code></pre>