text: # Generated by Django 2.2.10 on 2020-02-13 20:29
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('paper', '0022_auto_20200213_2026'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='paper',
              name='doi',
              field=models.CharField(blank=True, default=None, max_length=255, null=True),
          ),
          migrations.AlterField(
              model_name='paper',
              name='paper_title',
              field=models.CharField(blank=True, default=None, max_length=1024, null=True),
          ),
          migrations.AlterField(
              model_name='paper',
              name='pdf_file_license',
              field=models.TextField(blank=True, default=None, null=True),
          ),
          migrations.AlterField(
              model_name='paper',
              name='pdf_url',
              field=models.URLField(blank=True, default=None, null=True),
          ),
          migrations.AlterField(
              model_name='paper',
              name='pdf_url_for_landing_page',
              field=models.URLField(blank=True, default=None, null=True),
          ),
          migrations.AlterField(
              model_name='paper',
              name='publication_type',
              field=models.CharField(blank=True, default=None, max_length=255, null=True),
          ),
          migrations.AlterField(
              model_name='paper',
              name='url',
              field=models.URLField(blank=True, default=None, null=True),
          ),
      ]
  