mrulist crashes: AttributeError: class MRUSummary has no attribute 'width'

NTPsec bc1f1c05. mrulist recently stopped working. Not sure when, but within the last few weeks.

$ ntpq -c mrulist
Ctrl-C will stop MRU retrieval and display partial results.
 lstint avgint rstr r m v  count rport remote address
Traceback (most recent call last):
  File "/usr/local/bin/ntpq", line 1725, in <module>
    interpreter.onecmd(command)
  File "/usr/lib/python2.7/cmd.py", line 221, in onecmd
    return func(arg)
  File "/usr/local/bin/ntpq", line 1329, in do_mrulist
    self.say(("=" * ntp.util.MRUSummary.width) + "\n")
AttributeError: class MRUSummary has no attribute 'width'