AttributeError: 'tuple' object has no attribute 'replace',

[ohli]

olympus-photosync get -d . --on today
Traceback (most recent call last):
  File "/home/ohli/.local/bin/olympus-photosync", line 8, in <module>
    sys.exit(main())
  File "/home/ohli/.local/lib/python3.10/site-packages/olympusphotosync/cli.py", line 217, in main
    opts, cmd, args = parseopts(argv)
  File "/home/ohli/.local/lib/python3.10/site-packages/olympusphotosync/cli.py", line 92, in parseopts
    opts.newer = opts.on.replace(hour=0, minute=0, second=0, microsecond=0)
AttributeError: 'tuple' object has no attribute 'replace'

Occured with Python 3.10.7, Arch Linux with Kernel 5.19.12

Seems that optparse has no replace method anymore.

(if this project is dead, I use it as a reminder for myself to fix it)