fixed the file handling implementation. The feature is cool, but the original implementation had so many small flaws it wasn't even funny.

src/documents/migrations/1002_auto_20201111_1105.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.1.3 on 2020-11-11 11:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('documents', '1001_auto_20201109_1636'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='document',
+            name='filename',
+            field=models.FilePathField(default=None, editable=False, help_text='Current filename in storage', max_length=1024, null=True),
+        ),
+    ]