fix valuerror of wrapper in get_save_path

django_mailbox/migrations/0009_auto_20200208_0953.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.4 on 2020-02-08 09:53
+
+from django.db import migrations, models
+import django_mailbox.utils
+import functools
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_mailbox', '0008_auto_20190219_1553'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='message',
+            name='eml',
+            field=models.FileField(help_text='Original full content of message', null=True, upload_to=functools.partial(django_mailbox.utils.get_save_path, *(), **{'setting': 'message_upload_to'}), verbose_name='Raw message contents'),
+        ),
+    ]