[virt-tools-list] Why i cannot select the local ISO file during create a VM?

[Andrew Mason]

>I have a problem with create a VM by virt-manager: In the "Create a new 
>virtual machine" dialog, i selected "Use ISO image" and input the 
>/usr/local/my.iso. But it show an error dialog "Could not find the media 
>'/usr/local/my.iso' after i click Forward button.  

I think the iso should be chosen from your storage pool.