[IPython-dev] ImportError: No module named ipapp

Johann Cohen-Tanugi cohen@lpta.in2p3...
Thu Mar 11 20:34:13 CST 2010


hello,
I have an identical problem : I have a trunk build of ipython, that I 
installed with --user, and then today I wanted to have a look at the 
bundle EPD distribution. I thought that the whole point was that I could 
get a completely "waterproof" distribution with EPD, irrespective of any 
other development version of say ipython on my system.

But I get:
[cohen@jarrett ~]$ /home/cohen/sources/python/epd-6.1-1-rh5-x86/bin/ipython
Traceback (most recent call last):
   File "/home/cohen/sources/python/epd-6.1-1-rh5-x86/bin/ipython", line 
7, in <module>
     from IPython.ipapi import launch_new_instance
ImportError: No module named ipapi

if I rename .local as local, then the EPD version loads ok.... Isn't 
there a way to keep both functioning?

thanks,
Johann

On 02/10/2010 05:34 AM, Brian Granger wrote:
> Can you try removing all traces of ipython (both from bin dirs and 
> site-packages) and reinstall.  It looks like you have multiple 
> versions on your PATH/PYTHONPATH that are conflicting.
>
> Cheers,
>
> Brian
>
>
>
> On Tue, Feb 9, 2010 at 11:22 AM, Nils Wagner 
> <nwagner@iam.uni-stuttgart.de <mailto:nwagner@iam.uni-stuttgart.de>> 
> wrote:
>
>     Hi all,
>
>     I have installed ipython from scratch
>
>     bzr branch lp:ipython
>     cd ipython
>     python setup.py install --prefix=$HOME/local
>
>     If I start ipython
>
>     ipython
>     Traceback (most recent call last):
>       File "/home/nwagner/local/bin/ipython", line 4, in
>     <module>
>         from IPython.core.ipapp import launch_new_instance
>     ImportError: No module named ipapp
>
>     Any idea ?
>
>                Nils
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