add migrations for otp key length

accounts/migrations/0004_alter_account_totp_key.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.6 on 2021-08-31 03:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0003_account_twitter_handle'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='account',
+            name='totp_key',
+            field=models.CharField(max_length=32, null=True),
+        ),
+    ]