('author', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='author')),
('merge_parent', models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='merge_children', to='tests.ADocumentChange', verbose_name='merge parent')),
('parent', models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='children', to='tests.ADocumentChange', verbose_name='parent')),
('author', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='author')),
('merge_parent', models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='merge_children', to='tests.ADocumentChange', verbose_name='merge parent')),
('parent', models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='children', to='tests.ADocumentChange', verbose_name='parent')),