---
slug: "pkg_resources.DistributionNotFound"
title: "\"pkg_resources.DistributionNotFound: pip==1.5.6 Error with pip\""
description: "If you have an old version of pip, running pip install -U pip can break pip."
url: "https://www.ytyng.com/en/blog/pkg_resources.DistributionNotFound"
publish_date: "2017-10-19T08:45:34Z"
created: "2017-10-19T08:45:34Z"
updated: "2026-02-27T05:20:32.657Z"
categories: []
keywords: ""
featured_image_url: "https://media.ytyng.com/resize/20230812/3c9579be941f4da1930db2e943a46a0a.png.webp?width=768"
has_video: false
has_music: false
video_urls: []
music_urls: []
lang: "en"
---

# "pkg_resources.DistributionNotFound: pip==1.5.6 Error with pip"

<p>If you have an old version of pip, running <code>pip install -U pip</code> can break pip.</p>
<pre>$ pip<br />Traceback (most recent call last):<br /> File "/usr/local/bin/pip", line 5, in &lt;module&gt;<br /> from pkg_resources import load_entry_point<br /> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2749, in &lt;module&gt;<br /> working_set = WorkingSet._build_master()<br /> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 446, in _build_master<br /> return cls._build_from_requirements(__requires__)<br /> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 459, in _build_from_requirements<br /> dists = ws.resolve(reqs, Environment())<br /> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 628, in resolve<br /> raise DistributionNotFound(req)<br />pkg_resources.DistributionNotFound: pip==1.5.6</pre>
<p></p>
<p>To fix this, use easy_install:</p>
<p><span>$ sudo easy_install --upgrade pip</span></p>
<p></p>
<p>I found this information here. Thank you.</p>
<p><span>How to update a broken pip &middot; kamatari<br />https://kamatari.github.io/2014/06/29/how-to-update-pip/</span></p>
<p></p>
<p></p>