[Matplotlib-users] ImportError on Anaconda Win64 system

Benjamin Root ben.v.root at gmail.com
Fri Oct 30 14:08:55 EDT 2015


Doing that from IPython or Python?

On Fri, Oct 30, 2015 at 1:55 PM, Jonno <jonnojohnson at gmail.com> wrote:

> I also get the same import error DLL load failed if I set the backend to
> WXAgg in matplotlibrc then try from pylab import *
>
>
>
> On Fri, Oct 30, 2015 at 7:50 AM, Jens Nielsen <jenshnielsen at gmail.com>
> wrote:
>
>> If that fails that is a bug in PyQt/Qt or in your anaconda installation
>> and not a Matplotlib bug. You could try reinstall QT and PyQt.
>>
>> As a workaround you can tell Matplotlib to use a different backend
>> http://matplotlib.org/faq/usage_faq.html#what-is-a-backend
>>
>> BTW the matplotlib mailing list has changed to
>> matplotlib-users at python.org.
>>
>> best
>> Jens
>>
>> fre. 30. okt. 2015 kl. 12.43 skrev Jonno <jonnojohnson at gmail.com>:
>>
>>> Traceback (most recent call last):
>>>   File "<stdin>", line 1, in <module>
>>> ImportError: DLL load failed: The specified module could not be found.
>>>
>>> On Fri, Oct 30, 2015 at 2:26 AM, Jens Nielsen <jenshnielsen at gmail.com>
>>> wrote:
>>>
>>>> It sounds like your PyQt package is broken.
>>>>
>>>> What happens if you do:
>>>>
>>>> from PyQt4 import QtCore, QtGui
>>>>
>>>> in a python shell
>>>>
>>>> /Jens
>>>>
>>>> fre. 30. okt. 2015 kl. 03.06 skrev Jonno <jonnojohnson at gmail.com>:
>>>>
>>>>> Not sure where to post this.
>>>>>
>>>>> I have a fresh Anaconda Win64 python 2.7.10 install which I then
>>>>> updated using conda update --all.
>>>>>
>>>>> If it try to:
>>>>> from pylab import *
>>>>> I get the following:
>>>>>
>>>>>
>>>>> File "~\Anaconda\lib\site-packages\matplotlib\backends\qt_compat.py",
>>>>> line 91, in <module>
>>>>>   from PyQt4 import QtCore, QtGui
>>>>> ImportError: DLL load failed: The specified module could not be found.
>>>>>
>>>>>
>>>>> I have the following installed:
>>>>> qt: 4.8.7
>>>>> pyqt 4.11.4
>>>>> matplotlib 1.4.3
>>>>>
>>>>> Should I open an issue on matplotlib github?
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> _______________________________________________
>>>>> Matplotlib-users mailing list
>>>>> Matplotlib-users at lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>>>>>
>>>>
>>>
>
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