ipython failing to install on python 2.6 with pip

On ubuntu 14.04 LTS...

pip install notebook

[SNIP]

Downloading/unpacking ipython>=4.0.0 (from ipykernel->notebook)
  Downloading ipython-6.0.0.tar.gz (5.1MB): 5.1MB downloaded
  Running setup.py (path:/usr/local/google/home/schwehr/imma/ve/build/ipython/setup.py) egg_info for package ipython

    IPython 6.0+ does not support Python 2.6, 2.7, 3.0, 3.1, or 3.2.
    When using Python 2.7, please install IPython 5.x LTS Long Term Support version.
    Beginning with IPython 6.0, Python 3.3 and above is required.

    See IPython `README.rst` file for more information:

        https://github.com/ipython/ipython/blob/master/README.rst

    Python sys.version_info(major=2, minor=7, micro=6, releaselevel='final', serial=0) detected.
    Your pip version is out of date, please install pip >= 9.0.1. pip 1.5.4 detected.

    Complete output from command python setup.py egg_info:


IPython 6.0+ does not support Python 2.6, 2.7, 3.0, 3.1, or 3.2.

When using Python 2.7, please install IPython 5.x LTS Long Term Support version.

Beginning with IPython 6.0, Python 3.3 and above is required.



See IPython `README.rst` file for more information:



    https://github.com/ipython/ipython/blob/master/README.rst



Python sys.version_info(major=2, minor=7, micro=6, releaselevel='final', serial=0) detected.

And then it looks like it has failed...