The Sage and Ipython versions packaged in Fedora conflict, just download 
the latest Sage binary from our server and run it from your home directory.



On Wednesday, January 6, 2016 at 6:08:11 PM UTC+1, Jon Frey wrote:
>
> Problem with config file "missing" in Ipython
>
> System: Intel 64 bit /Fedora 23  Scientific flavor /KDE (latest updates 
> auto installed )
>  Sage Version 6.5, Release Date: 2015-02-17 
> Note1 : Other packages installed previously installed include Jupyter and 
> Spyder
> Note 2 :Jupyter , Spyder load (but not checked for functionality) 
>
> Versions loaded ( per console ) 
> Python 2.7.10 (default, Sep  8 2015, 17:20:17) 
> IPython 4.0.1 -- An enhanced Interactive Python.
>
>
>
> Sage was down loaded Sage from Fedora package repository as root with *"dnf 
> install sagemath"  *
> No errors posted on install.( It was very large unpacked  ) 
>
> Icon loaded in work space but fails to launch application ( console screen 
> disappears after briefly displaying) 
>
> Launching from console as 
> sage 
> sage -ipython
> sage -notebook=ipython
>
> All fail with error 
>
> *Console Error* 
> Traceback (most recent call last):
>   File "/usr/lib64/sagemath/local/bin/sage-ipython", line 6, in <module>
>     from sage.repl.interpreter import SageTerminalApp
>   File "/usr/lib64/python2.7/site-packages/sage/repl/interpreter.py", line 
> 105, in <module>
>     from IPython import Config
> ImportError: cannot import name Config
>
>
> Launching from console as -sage -notebook=sagenb does function and brings 
> up 
>
> *Error message from Sage notebook *
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/site-packages/flask/app.py", line 1475, in 
> full_dispatch_request
>     rv = self.dispatch_request()
>   File "/usr/lib/python2.7/site-packages/flask/app.py", line 1461, in 
> dispatch_request
>     return self.view_functions[rule.endpoint](**req.view_args)
>   File "/usr/lib64/sagemath/src/sagenb/flask_version/decorators.py", line 
> 22, in wrapper
>     return f(*args, **kwds)
>   File 
> "/usr/lib64/sagemath/src/sagenb/flask_version/worksheet_listing.py", line 
> 335, in upload_worksheet
>     from sage.misc.all import tmp_filename, tmp_dir
>   File "/usr/lib64/python2.7/site-packages/sage/misc/all.py", line 67, in 
> <module>
>     from log import log_html, log_dvi, log_text
>   File "/usr/lib64/python2.7/site-packages/sage/misc/log.py", line 64, in 
> <module>
>     import sage.repl.interpreter as interpreter
>   File "/usr/lib64/python2.7/site-packages/sage/repl/interpreter.py", line 
> 105, in <module>
>     from IPython import Config
> ImportError: cannot import name Config
>
> So I am assuming a file directory conflict with previously installed  
> Ipython and version packaged with the rpm at Fedora
>
> I need a simple fix and don't want to attempt to reconcile( or break)  the 
> other software installation 
>
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