from django.db import migrations, models class Migration(migrations.Migration): dependencies = [("migrations", "0001_initial")] operations = [ migrations.DeleteModel("Tribble"), migrations.RemoveField("Author", "silly_field"), migrations.AddField("Author", "rating", models.IntegerField(default=0)), migrations.CreateModel( "Book", [ ("id", models.AutoField(primary_key=True)), ( "author", models.ForeignKey("migrations.Author", models.SET_NULL, null=True), ), ], ), ]