panic on fetch

[dajohi]

panic

github.com/companyzero/zkc/vendor/github.com/companyzero/ttk.(*Edit).KeyHandler(0xc420016510, 0x6300000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0xc)                                                                                       
        /home/dhill/.go/src/github.com/companyzero/zkc/vendor/github.com/companyzero/ttk/edit.go:208 +0x572          
github.com/companyzero/zkc/vendor/github.com/companyzero/ttk.(*Window).keyHandler(0xc42005f6e0, 0x6300000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0xc42009c160, ...)                                                                       
        /home/dhill/.go/src/github.com/companyzero/zkc/vendor/github.com/companyzero/ttk/window.go:237 +0xb8         
github.com/companyzero/zkc/vendor/github.com/companyzero/ttk.initKeyHandler.func1()                                  
        /home/dhill/.go/src/github.com/companyzero/zkc/vendor/github.com/companyzero/ttk/ttk.go:320 +0x11e           
github.com/companyzero/zkc/vendor/github.com/companyzero/ttk.init.4.func1(0xc420010460, 0xc420052770, 0xc420010388, 0xc42000c320)                                                                                                         
        /home/dhill/.go/src/github.com/companyzero/zkc/vendor/github.com/companyzero/ttk/ttk.go:283 +0xfd            
created by github.com/companyzero/zkc/vendor/github.com/companyzero/ttk.init.4                                       
        /home/dhill/.go/src/github.com/companyzero/zkc/vendor/github.com/companyzero/ttk/ttk.go:286 +0x22a  

[dajohi]

to reproduce easily:

/fetch pin

enter wrong passphrase.. hit enter and just keep hitting enter and backspace til it blows up.