message: better names!
diff: @@ -57,8 +57,9 @@ def main(registration, homeserver, prefix, suffix):
  raise Exception("Cannot read as_token from registration file")
  rooms = get_rooms(homeserver, token)
  - users = { k: v for d in [get_users(homeserver, room, token, prefix, suffix) for room in rooms] for k,v in d.items() }
  - for uid, display in users.iteritems():
  + per_room_users = [get_users(homeserver, room, token, prefix, suffix) for room in rooms]
  + merged_users = { k: v for d in per_room_users for k,v in d.items() }
  + for uid, display in merged_users.iteritems():
  migrate_displayname(uid, display, suffix, homeserver, token)
  