InitNetwork() extended info.

limoControl/pupuicon/_corelib.py

@@ -39,7 +39,11 @@ class InitNetwork(object):
                 host_iface = netint
                 break
             except KeyError:
-                # Interface not used. Key [2] only exists on interfaces that are being used.
+                # Interface not used. Key [2] only exists on interfaces that
+                # are being used. RPi has at least one iface available (wlan0)
+                # so technically there is no need to define a host_iface=None.
+                # Define, just in case the platform changes.
+                host_iface = "None"  # Prevents "NoneType has no attribute..."
                 continue
         # Confirmation msg.
         if host_iface.find('eth') is not -1: