=== modified file 'applets/maintained/bandwidth-monitor/awn-bwm.py'
--- applets/maintained/bandwidth-monitor/awn-bwm.py	2010-12-26 19:43:26 +0000
+++ applets/maintained/bandwidth-monitor/awn-bwm.py	2011-01-20 13:40:06 +0000
@@ -215,7 +215,7 @@
                 self.ifaces[iface]['rxtx_sum'] = rxtx_sum
                 self.ifaces[iface]['status'] = device_lines['if_flags']
                 self.ifaces[iface]['collection_time'] = time()
-                if iface in wireless_devices:
+                if wireless_devices is not None and iface in wireless_devices:
                     ''' this is a wireless card '''
                     self.ifaces[iface]['signal'] = \
                         {'strength': wireless_devices[iface]['strength'],