Can't uninstall Mercurial on Mac

Question

Because of the problem in this unanswered question, I'm trying to re-install Mercurial. I find the uninstall instructions in this question. However, when I run easy_install -m mercurial, I do not know how to proceed. I'm new to Mac. Could you please tell me what I should do next?

sudo easy_install -m mercurial
Password:
Searching for mercurial
Best match: mercurial 3.5.2-20151001

Using /Library/Python/2.7/site-packages

Because this distribution was installed --multi-version, before you can
import modules from this package in an application, you will need to
'import pkg_resources' and then use a 'require()' call similar to one of
these examples, in order to select the desired version:

    pkg_resources.require("mercurial")  # latest installed version
    pkg_resources.require("mercurial==3.5.2-20151001")  # this exact version
    pkg_resources.require("mercurial>=3.5.2-20151001")  # this version or higher

Processing dependencies for mercurial
Finished processing dependencies for mercurial

Answer 1

The problem is that the answer to the uninstall question is wrong. Not only does easy_install -m mercurial not uninstall Mercurial, easy_install does not even have an uninstall command to begin with.

To have an uninstall option requires the pip command. I don't believe that pip is part of the default Mac Python setup, but you can install it using sudo easy_install pip and then use sudo pip uninstall mercurial (both pip and easy_install use the same package information, so pip can uninstall packages installed with easy_install).

Note that easy_install may install the pip binary in /usr/local/bin, which can conflict with an existing Python installation through Homebrew (if you're using Homebrew, that is).

There is more information here about installing pip on OS X. The pip commands are documented here.