@@ -0,0 +1,171 @@
+from django_evolution.mutations import ChangeField%0A%0A%0AMUTATIONS = %5B%0A    ChangeField('HostingServiceAccount', 'hosting_url', initial=None,%0A                max_length=255)%0A%5D%0A

Add the missing evolution for the hosting_url max_length change.