That's related to matplotlib not being properly installed.

Peter

> -----Original Message-----
> From: [email protected] [mailto:mnemosyne-
> [email protected]] On Behalf Of [email protected]
> Sent: 14 January 2015 18:13
> To: [email protected]
> Subject: Re: [mnemosyne-proj-users] CentOS Installation Error
> 
> Hello,
> Ran this command:
> ~]$ sudo yum --nogpgcheck install PyQt4-web*
> 
> Seems to have resolved some dependencies and installed the missing
> components of QtWebKit.
> 
> I now get a different error message when attempting to start Mnemosyne:
> 
> An unexpected error has occurred.
> Please forward the following info to the developers:
> 
> Traceback (innermost last):
>   File "/usr/bin/mnemosyne", line 4, in <module>
>     __import__('pkg_resources').run_script('Mnemosyne==2.3.1',
> 'mnemosyne')
>   File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 696, in
> run_script
>     self.require(requires)[0].run_script(script_name, ns)
>   File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 1621, in
> run_script
>     exec(script_code, namespace, namespace)
>   File "/usr/lib/python2.7/site-packages/Mnemosyne-2.3.1-py2.7.egg/EGG-
> INFO/scripts/mnemosyne", line 191, in <module>
>   File "build/bdist.linux-
> x86_64/egg/mnemosyne/libmnemosyne/__init__.py", line 172, in initialise
>     self.register_components()
>   File "build/bdist.linux-
> x86_64/egg/mnemosyne/libmnemosyne/__init__.py", line 242, in
> register_components
>     exec("from %s import %s" % (module_name, class_name))
>   File "<string>", line 1, in <module>
>   File "build/bdist.linux-
> x86_64/egg/mnemosyne/pyqt_ui/statistics_wdgts_plotting.py", line 9, in
> <module>
>  ImportError: No module named backend_qt4agg
> 
> So, what to make of this?
> 
> On Tuesday, January 13, 2015 at 11:44:06 PM UTC-8, Peter Bienstman wrote:
> > Hi,
> >
> > Qt webkit  is not installed. I'm not familiar with CentOS, so perhaps you 
> > can
> ask on a CentOS forum what package you need to install?
> >
> > Cheers,
> >
> > Peter
> 
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