Add following as a related_name for followers.

fedireads/migrations/0008_auto_20200224_1504.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.3 on 2020-02-24 15:04
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fedireads', '0007_auto_20200223_0902'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='followers',
+            field=models.ManyToManyField(related_name='following', through='fedireads.UserRelationship', to=settings.AUTH_USER_MODEL),
+        ),
+    ]