Bad torrc Crashes Arm [multiple myfamily entries]

I tried changing my torrc, adding multiple MyFamily entries of the form:

MyFamily $whateverfp, #somecomment

Tor successfully starts with this torrc. Arm, however, fails to start, with the following trace:

File "/usr/share/arm/starter.py", line 282, in interface.controller.startTorMonitor(time.time() - initTime, expandedEvents, param["startup.blindModeEnabled"]) File "/usr/share/arm/interface/controller.py", line 1781, in startTorMonitor curses.wrapper(drawTorMonitor, startTime, loggedEvents, isBlindMode) File "/usr/lib/python2.6/curses/wrapper.py", line 43, in wrapper return func(stdscr, *args, **kwds) File "/usr/share/arm/interface/controller.py", line 554, in drawTorMonitor panels["conn"] = connPanel.ConnPanel(stdscr, conn, isBlindMode) File "/usr/share/arm/interface/connPanel.py", line 165, in init self.resetOptions() File "/usr/share/arm/interface/connPanel.py", line 215, in resetOptions self._resolveFamilyEntries() File "/usr/share/arm/interface/connPanel.py", line 854, in _resolveFamilyEntries if familyEntry[0] == "$":

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