Migrations for django 3.1 upgrade

bookwyrm/migrations/0054_auto_20210319_1942.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.1.6 on 2021-03-19 19:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookwyrm', '0053_auto_20210319_1913'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='importitem',
+            name='data',
+            field=models.JSONField(),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='first_name',
+            field=models.CharField(blank=True, max_length=150, verbose_name='first name'),
+        ),
+    ]