Migration optimizer does not reduce multiple AlterField Description

Migration optimizer does not reduce multiple AlterField Description: a task in Lego-RL-SWE-Bench-Verified (Harbor dataset). Let's consider the following operations: operations = migrations.AddField( model name="book", name="title", field=models.CharField(max length=256, null=True), )…

The task

Let's consider the following operations: operations = [ migrations.AddField( model_name="book", name="title", field=models.CharField(max_length=256, null=True), ), migrations.AlterField( model_name="book", name="title", field=models.CharField(max_length=128, null=True), ), migrations.AlterField( model_name="book",…

Part of Lego-X/Lego-RL-SWE-Bench-Verified.