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forms.TypedChoiceField.empty_value

empty_value

The value to use to represent “empty.” Defaults to the empty string; None is another common choice here. Note that this value will not be coerced by the function given in the coerce argument, so choose it accordingly.

Links:

https://docs.djangoproject.com/en/1.10/ref/forms/fields/#django.forms.TypedChoiceField.empty_value

doc_Django

2016-10-09 18:37:10

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