It's an easy thing to miss, especially when an update has been released.
If you open the module file and view it in the 3D window, do you get an error message?
Make sure in your work environment you have error messages set to show before you do this.
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
"Implementing Successful Building Information Modeling"