I have a model like so:
class Provider(models.Model):
description = models.TextField(default='')
In recent Django 1.9 changes (this did not occur with 1.8.x), this causes
the following traceback:
Performing system checks...
Traceback (most recent call last):
File
"/home/vagrant/.virtualenvs/myproject/lib/python3.4/site-packages/gevent/greenlet.py"
, line 523, in run
result = self._run(*self.args, **self.kwargs)
File
"/home/vagrant/.virtualenvs/myproject/src/django/django/utils/autoreload.py"
, line 226, in wrapper
fn(*args, **kwargs)
File
"/home/vagrant/.virtualenvs/myproject/src/django/django/core/management/commands/runserver.py"
, line 116, in inner_run
self.check(display_num_errors=True)
File
"/home/vagrant/.virtualenvs/myproject/src/django/django/core/management/base.py"
, line 472, in check
raise SystemCheckError(msg)
django.core.management.base.SystemCheckError: SystemCheckError: System
check identified some issues:
ERRORS:
businesses.Provider.description: (fields.E008) Invalid 'default' value: This
field cannot be blank.
images.ImageSet.hash: (fields.E008) Invalid 'default' value: This field
cannot be blank.
users.User.gender: (fields.E008) Invalid 'default' value: This field cannot
be blank.
System check identified 3 issues (0 silenced).
Why is it that this was perfectly allowable before but not now? I have a
data processing script that's pulling in data from an external source and
creating instances with blank 'descriptions', it now doesn't work. I have
to set `blank=True` on fields having this error, which I don't want to do
(for form validation reasons).
I believe the following links are pertinent:
https://code.djangoproject.com/ticket/25417
https://github.com/django/django/pull/5303
James
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