link python version with ipython

Question

I have two versions of python, namely 2.7 and 3.3. Each time I launch ipython it tells me

Python 3.3.4 (default, Feb 11 2014, 15:56:08)

How do I do to launch ipython with the python 2.7? I always use the ipython notebook, do I need also to change something in it?

Linux brother-eye 3.12.9-2-ARCH #1 SMP PREEMPT Fri Jan 31 10:22:54 CET 2014 x86_64 GNU/Linux — user2820579
– user2820579, Commented Mar 4, 2014 at 19:59

MattDMo · Accepted Answer · 2014-03-04 20:13:41Z

1

You may have only installed IPython for Python 3 on your system. Arch uses Py3 by default, I believe, so when you installed the ipython package and its dependencies it was actually ipython3. Try installing the ipython2 package, along with its dependencies. Once completed, you will have a /usr/bin/ipython2 command for running IPython using Python 2.7.

However, before installing, double-check to see if /usr/bin/ipython2 exists. If it does, you're all set, and shouldn't need to install anything else.

answered Mar 4, 2014 at 20:13

MattDMo

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