obj.at_post_puppet()
  File "/home/mojave/evennia/evennia/objects/objects.py", line 2038, in at_post_puppet
    self.msg((self.at_look(self.location), {'type':'look'}), options = None)
  File "/home/mojave/evennia/evennia/objects/objects.py", line 1617, in at_look
    description = target.return_appearance(self)
  File "./typeclasses/rooms.py", line 192, in return_appearance
    string += self.format_exits(len, exits)
  File "./typeclasses/rooms.py", line 125, in format_exits
    output += utils.columnize(out, width=len, cols=3)
  File "/home/mojave/mygame/world/utils.py", line 132, in columnize
    table.reformat_column(x, width=width/cols)
  File "/home/mojave/evennia/evennia/utils/evtable.py", line 1621, in reformat_column
    self.table[index].reformat(**kwargs)
  File "/home/mojave/evennia/evennia/utils/evtable.py", line 949, in reformat
    self._balance(**kwargs)
  File "/home/mojave/evennia/evennia/utils/evtable.py", line 910, in _balance
    [cell.reformat(**kwargs) for cell in col]
  File "/home/mojave/evennia/evennia/utils/evtable.py", line 910, in <listcomp>
    [cell.reformat(**kwargs) for cell in col]
  File "/home/mojave/evennia/evennia/utils/evtable.py", line 838, in reformat
    self.formatted = self._reformat()
  File "/home/mojave/evennia/evennia/utils/evtable.py", line 490, in _reformat
    data = self._border(self._pad(self._valign(self._align(self._fit_width(self.data)))))
  File "/home/mojave/evennia/evennia/utils/evtable.py", line 596, in _align
    else line) + hfill_char * (width - m_len(line)) for line in data]
  File "/home/mojave/evennia/evennia/utils/evtable.py", line 596, in <listcomp>
    else line) + hfill_char * (width - m_len(line)) for line in data]
TypeError: can't multiply sequence by non-int of type 'float'

An untrapped error occurred.
(Traceback was logged 19-01-17 18:10:06).