Traceback (most recent call last):
  File "/var/www/tennisabstract/cgi-bin/wtourney.cgi", line 722, in <module>
    by_length = sorted(with_time, key=lambda x: int(x[3]), reverse=True)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/var/www/tennisabstract/cgi-bin/wtourney.cgi", line 722, in <lambda>
    by_length = sorted(with_time, key=lambda x: int(x[3]), reverse=True)
                                                ^^^^^^^^^
TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NoneType'