#24339: Exception at /add admin view when using DurationField
---------------------------------+-----------------------
Reporter: yoyoma | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 1.8alpha1
Severity: Release blocker | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 1 | UI/UX: 0
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== Setup ==
Make an app with a model that has a `DurationField`. (started fresh app to
verify)
== Exception ==
{{{AttributeError: 'NoneType' object has no attribute 'days'}}} was the
error message.
== Cause ==
https://github.com/django/django/blob/0ed7d155635da9f79d4dd67e4889087d3673c6da/django/forms/fields.py#L517
(assumes {{{value}}} is a {{{timedelta}}})
== Solution ==
{{{
def prepare_value(self, value):
if isinstance(value, datetime.timedelta):
return duration_string(value)
return value
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/24339>
Django <https://code.djangoproject.com/>
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