fix thumbnails on heroku/s3
@@ -22,6 +22,7 @@ MIDDLEWARE_CLASSES = [
] + MIDDLEWARE_CLASSES
DEFAULT_FILE_STORAGE = 'storages.backends.s3boto3.S3Boto3Storage'
+THUMBNAIL_DEFAULT_STORAGE = 'storages.backends.s3boto.S3BotoStorage'
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
