chocolatey pip installation failed

gistfile1.txt

Chocolatey v0.9.9.8
Installing the following packages:
pip
By installing you accept licenses for the packages.

easy.install v0.6.11.4
 Setting PYTHONHOME environment variable to 'C:\Python27'
 PS: PYTHONHOME variable is not required to Python works, but it is a good practice to have it.
 Using python home at 'C:\Python27'
 Installing easy_install for Python(2.7.6)...
 Installing setuptools from http://pypi.python.org/pypi/setuptools ...
 Running python file: 'C:\Users\Timothee\AppData\Local\Temp\ez_setup.py'
 Setuptools version 0.6c11 or greater has been installed.
 (Run "ez_setup.py -U setuptools" to reinstall or upgrade.)
 WARNING: Write-ChocolateySuccess is deprecated. If you are the maintainer,
 please remove it from your package file.
 The install of easy.install was successful.

pip v1.2.0
 WARNING: Write-ChocolateyFailure is deprecated. If you are the package
 maintainer, please use 'throw $_.Exception' instead.
 The term 'easy_install' is not recognized as the name of a cmdlet, function,
 script file, or operable program. Check the spelling of the name, or if a path
 was included, verify that the path is correct and try again.
 At C:\ProgramData\chocolatey\helpers\functions\Write-ChocolateyFailure.ps1:24
 char:3
 +   throw "$failureMessage"
 +   ~~~~~~~~~~~~~~~~~~~~~~~
     + CategoryInfo          : OperationStopped: (The term 'easy_... and try ag
    ain.:String) [], RuntimeException
     + FullyQualifiedErrorId : The term 'easy_install' is not recognized as the
     name of a cmdlet, function, script file, or operable program. Check the s
   pelling of the name, or if a path was included, verify that the path is co
  rrect and try again.
The install of pip was NOT successful.
Error while running 'C:\ProgramData\chocolatey\lib\pip\tools\chocolateyInstall.ps1'.
 See log for details.

Chocolatey installed 1/2 package(s). 1 package(s) failed.
 See the log for details (C:\ProgramData\chocolatey\logs\chocolatey.log).
Failures:
 - pip