Error while executing instructions mentioned in beta invite [./letsencrypt-auto ]

I’m following the instructions given in beta invite.

The screen did install some dependencies, but its fails with following error later:

    [user@myhost letsencrypt]$ ./letsencrypt-auto --agree-dev-preview --server https://acme-v01.api.letsencrypt.org/directory auth
Updating letsencrypt and virtual environment dependencies.../home/user/.local/share/letsencrypt/lib/python2.6/site-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
  InsecurePlatformWarning
./home/user/.local/share/letsencrypt/lib/python2.6/site-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
  InsecurePlatformWarning
./home/user/.local/share/letsencrypt/lib/python2.6/site-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
  InsecurePlatformWarning
**Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-XILhFP/ConfigArgParse**

Machine I’m using is a AWS EC2 RHEL6.5

python 2.6 issue same as [SOLVED]Error installing the client CentOS 6.7 and [SOLVED] Virtualenv : command not found