"Import Icons..." does not do anything (Sketch 49.1)
**Sketch 49.1 (51147), Sketch-Icons 3.0.14**
Selecting: "Plugins->Sketch Icons->Import Icons..." does not perform any action.
![sketch icons not working](https://user-images.githubusercontent.com/124282/37611746-945f7bfc-2b79-11e8-94c5-09024947de51.gif)


Expected behavior: Configure your import modal should open.