PER CURIAM.
The above cause coming on to be heard upon the transcript of the record, the briefs of the parties, and the arguments of counsel in open court, and the court being duly advised,
Now, therefore, it is ordered that the order of the District Court dismissing appellants' complaint be and is hereby affirmed. See Kowalski v. Chandler, 6 Cir., 202 F.2d 413.