Search code examples
pythonmayavi

ValueError: cannot set toolkit to wx because it has already been set to qt4

The following import

from mayavi import mlab

generates the value error.

I installed Mayavi using setuptools (as described here). The gui works fine (some bugs here and there but still I can use the modules etc.) I am guessing some thing didn't went well with the install. Any suggestions how I can fix my installation(if that is what the problem is) ?

Edit 1:

I uninstalled mayavi and reinstalled it (using pip), but the valueError is still present.

Edit 2:

The system I have the installation on is a virtual Ubuntu 15.04 (using VMware 6.0.6). I have pasted the pip install mayavi output here.

Edit 3: After reinstalling a previous version of Mayavi : 4.3.1, I still get the same error. I am using Python : 2.7.9.

Solution

  • There is a post on SO :

    How to get MayaVi2 to default to/use Qt rather than wx?

    where it shows how you can set qt4, without having to uninstall wxPython (as the other answer suggests) : 

    export ETS_TOOLKIT=qt4

    I found out about it among the issues section on the Mayavi github : Issue 265