mayavi.mlab import changes behavior of default python input method

I am using mayavi for some 3d visualization in Anaconda Python 3.5.5 on Windows. I have an input statement that asks the user to hit enter to continue. Normally, this works just fine. But when I have a mayavi import statement:

`from mayavi import mlab`

The program will hang if no character is provided to the input function. So instead of being able to just hit enter, the user needs to type any character then hit enter otherwise the program will hang. If I simply comment out the import statement, it goes back to working as normal.