Re: [Matplotlib-users] ImportError on Anaconda Win64 system

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

Re: [Matplotlib-users] ImportError on Anaconda Win64 system

Traceback (most recent call last): File "", line 1, in ImportError: DLL load failed: The specified module could not be found. On Fri, Oct 30, 2015 at 2:26 AM, Jens Nielsen wrote: > It sounds like your PyQt package is broken. > > What happens if you do: > > from PyQt4