text: # Generated by Django 4.0.1 on 2022-01-23 14:38
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('catalog', '0001_initial'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='author',
              name='date_of_birth',
              field=models.DateField(blank=True, help_text="A date of author's birth (or Null, if unknown).", null=True),
          ),
          migrations.AlterField(
              model_name='author',
              name='date_of_death',
              field=models.DateField(blank=True, help_text="A date of author's death (or Null, if alive or unknown).", null=True),
          ),
          migrations.AlterField(
              model_name='bookinstance',
              name='due_back',
              field=models.DateField(blank=True, null=True),
          ),
      ]
  