alfred.py: better ask for forgiveness, than permission

alfred.py

@@ -24,9 +24,11 @@ def aliases():
     alias = {}
     for node in nodeinfo():
         node_alias = {}
-        if 'location' in node:
+
         try:
-                node_alias['gps'] = str(node['location']['latitude']) + ' ' + str(node['location']['longitude'])
+            # TODO: better pass lat, lng as a tuple?
+            node_alias['gps'] = "{lat}\x20{lng}".format(lat=node['location']['latitude'],
+                                                        lng=node['location']['longitude'])
         except KeyError:
             pass