🐛 update old migrations as custom storage module is now gone

Author: krmax44

froide_campaign/migrations/0016_auto_20180125_1603.py

@@ -2,12 +2,12 @@
 # Generated by Django 1.11.9 on 2018-01-25 15:03
 from __future__ import unicode_literals
 
+from django.core.files.storage import FileSystemStorage
 import django.db.models.deletion
 from django.conf import settings
 from django.db import migrations, models
 
 import froide_campaign.models
-import froide_campaign.storage
 
 
 class Migration(migrations.Migration):
@@ -23,7 +23,7 @@ class Migration(migrations.Migration):
             name="embed",
             field=models.FileField(
                 blank=True,
-                storage=froide_campaign.storage.OverwriteStorage,
+                storage=FileSystemStorage(allow_overwrite=True),
                 upload_to=froide_campaign.models.get_embed_path,
             ),
         ),

froide_campaign/migrations/0017_auto_20180201_1941.py

@@ -2,10 +2,10 @@
 # Generated by Django 1.11.9 on 2018-02-01 18:41
 from __future__ import unicode_literals
 
+from django.core.files.storage import FileSystemStorage
 from django.db import migrations, models
 
 import froide_campaign.models
-import froide_campaign.storage
 
 
 class Migration(migrations.Migration):
@@ -27,7 +27,7 @@ class Migration(migrations.Migration):
             name="embed",
             field=models.FileField(
                 blank=True,
-                storage=froide_campaign.storage.OverwriteStorage(),
+                storage=FileSystemStorage(allow_overwrite=True),
                 upload_to=froide_campaign.models.get_embed_path,
             ),
         ),