From 64d4ce2b09f4a4a1c95185873b6f84e0fbd37ac1 Mon Sep 17 00:00:00 2001 From: Adrien Lemaire Date: Wed, 24 Apr 2019 13:00:12 +0900 Subject: [PATCH] fix: IrreversibleError --- todo/migrations/0011_swappable_task.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/todo/migrations/0011_swappable_task.py b/todo/migrations/0011_swappable_task.py index 71a3e14..3227797 100644 --- a/todo/migrations/0011_swappable_task.py +++ b/todo/migrations/0011_swappable_task.py @@ -13,6 +13,10 @@ def forward_migration(apps, schema_editor): Task.objects.create(basetask_ptr=base_task) +def backward_migration(apps, schema_editor): + pass # fix IrreversibleError + + class Migration(migrations.Migration): atomic = False @@ -40,7 +44,7 @@ class Migration(migrations.Migration): ) ], ), - migrations.RunPython(forward_migration), + migrations.RunPython(forward_migration, backward_migration), migrations.AlterField( model_name="attachment", name="task",