Fix untagged.

sa/profiles/SKS/SKS/get_interfaces.py

@@ -218,7 +218,7 @@ class Script(BaseScript):
                 c = self.cli("show vlan interface %s" % ifname)
                 t = parse_table(c, allow_wrap=True, n_row_delim=",")
                 for i in t:
-                    if i[1] == "Access":
+                    if i[1] == "Access" and i[4]:
                         sub["untagged_vlan"] = int(i[4])
                     elif i[1] == "Trunk":
                         sub["untagged_vlan"] = int(i[2])