Fails to reconnect when coming back from suspend

Bug description

When closing laptop screen and going to suspend mode, Wifi is turned off. However when laptop is woke up, Network Manager reconnects to the Wifi but Gajim does not try to reconnect accounts (see attached logs)

Steps to reproduce

1. connect to gajim
2. go in sleep mode
3. wake up
4. network manager reconnects to network
5. but gajim do not reconnect accounts

Software versions

OS version: Linux 4.0.0-1-amd64 #1 (closed) SMP Debian 4.0.2-1 (2015-05-11) x86_64 GNU/Linux GTK version: 2.24.25 PyGTK version: 2.24.0