when trying to add a position option:

Traceback (most recent call last):
  File "/opt/beryl/bin/beryl-settings", line 1047, in statePopup
    vrow.pack_start(valwid,True,True)
UnboundLocalError: local variable 'valwid' referenced before assignment

when trying to grab a class role
Traceback (most recent call last):
  File "/opt/beryl/bin/beryl-settings", line 996, in putXprop
    centry.set_text(val)
UnboundLocalError: local variable 'val' referenced before assignment