Description of problem:
1. Created 2x4 split, made top 4 group 'old' and bottom 4 group 'new'.
2. Opened a file on remote machines for edit.
3. Maximized the top left window.
4. Pressed the down arrow key.

Version-Release number of selected component:
terminator-0.97-7.fc22

Additional info:
reporter:       libreport-2.6.2
cmdline:        /usr/bin/python /usr/bin/terminator
executable:     /usr/bin/terminator
kernel:         4.1.7-200.fc22.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
terminal.py:842:on_keypress:TypeError: object of type `terminatorlib+paned+VPaned' does not have property `has-toplevel-focus'

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/terminatorlib/terminal.py", line 842, in on_keypress
    window_focussed = self.vte.get_toplevel().get_property('has-toplevel-focus')
TypeError: object of type `terminatorlib+paned+VPaned' does not have property `has-toplevel-focus'

Local variables in innermost frame:
widget: <vte.Terminal object at 0x7f855d909460 (VteTerminal at 0x227be90)>
self: <Terminal object at 0x7f855d909280 (terminatorlib+terminal+Terminal at 0x2216cf0)>
mapping: None
groupsend_type: {'off': 2, 'all': 0, 'group': 1}
event: <gtk.gdk.Event at 0x7f855d939030: GDK_KEY_PRESS keyval=Down>
groupsend: 0