Traceback (most recent call last):
  File "/var/www/tennisabstract/cgi-bin/tourney.cgi", line 638, in <module>
    match_row, fem_row, fep_rows = make_match_row(sm, rdict, pdict, tlev)
                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/var/www/tennisabstract/cgi-bin/tourney.cgi", line 323, in make_match_row
    l1won = cxd((l1spw/float(l1sp)) * 100, 1) + '%'
                 ~~~~~^~~~~~~~~~~~
ZeroDivisionError: float division by zero