class ThingProxy(Thing):
improvised = JSONAttribute(models.BooleanField)
"""
+import datetime
from itertools import tee
+
from django import forms
from django.core.exceptions import FieldError
from django.db import models
from django.db.models.fields import NOT_PROVIDED
from django.utils.text import capfirst
-from philo.signals import entity_class_prepared
+
from philo.models import ManyToManyValue, JSONValue, ForeignKeyValue, Attribute, Entity
-import datetime
+from philo.signals import entity_class_prepared
__all__ = ('JSONAttribute', 'ForeignKeyAttribute', 'ManyToManyAttribute')