ValueError: Invalid week: 53 (leap year 2024)

[RA88041]

On December 30, 2024 (the 53rd week in the leap year) an app using tkcalendar was crashing and was throwing this error:

ValueError: Invalid week: 53

occurring in:

calendar_.py
line 520
sel_date = self.date.fromisocalendar(year, week + int(next_wday < wday), next_wday)

on tkcalendar version 1.6.1
python v3.8.8 (anaconda install)
tkinter v8.6
windows 11