Traceback (most recent call last):
  File "/usr/share/system-config-printer/newprinter.py", line 3029, in on_btnNPTLpdProbe_clicked
    printers = server.probe()
  File "/usr/share/system-config-printer/probe_printer.py", line 191, in probe
    found = self.probe_queue(name, result)
  File "/usr/share/system-config-printer/probe_printer.py", line 137, in probe_queue
    s.send('\2%s\n' % name) # cmd send job to queue
TypeError: 'str' does not support the buffer interface