Check that AWS vars is set befor using them in storage_backends.py.

opentech/storage_backends.py

@@ -3,15 +3,19 @@ from storages.backends.s3boto3 import S3Boto3Storage
 
 
 class PublicMediaStorage(S3Boto3Storage):
-    bucket_name = settings.AWS_PUBLIC_BUCKET_NAME
+    if hasattr(settings, 'AWS_PUBLIC_BUCKET_NAME'):
+        bucket_name = settings.AWS_PUBLIC_BUCKET_NAME
+
     file_overwrite = False
     querystring_auth = False
     url_protocol = 'https:'
 
 
 class PrivateMediaStorage(S3Boto3Storage):
+    if hasattr(settings, 'AWS_PRIVATE_BUCKET_NAME'):
+        bucket_name = settings.AWS_PRIVATE_BUCKET_NAME
+
     bucket_acl = 'private'
-    bucket_name = settings.AWS_PRIVATE_BUCKET_NAME
     custom_domain = False
     default_acl = 'private'
     encryption = True