Zixuan James Li 56e22e1a92 forms: Fix to_python method signature. ...

According to the documentation, `to_python` should account for `None`
being a possible value to be processed.

See also: https://docs.djangoproject.com/en/4.0/howto/custom-model-fields/#converting-values-to-python-objects.

Signed-off-by: Zixuan James Li <p359101898@gmail.com>

2022-07-26 18:00:24 -07:00

21 KiB

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