diff --git a/ckan/model/core.py b/ckan/model/core.py
index ec861da1a6c..c69995353ae 100644
--- a/ckan/model/core.py
+++ b/ckan/model/core.py
@@ -7,12 +7,13 @@
 import domain_object
 
 
-__all__= ['System', 'Revision', 'State', 'revision_table']
+__all__ = ['System', 'Revision', 'State', 'revision_table']
 
 ## VDM-specific tables
 revision_table = vdm.sqlalchemy.make_revision_table(meta.metadata)
 revision_table.append_column(Column('approved_timestamp', DateTime))
 
+
 class System(domain_object.DomainObject):
 
     name = 'system'
@@ -29,7 +30,7 @@ def by_name(cls, name):
 
 # VDM-specific domain objects
 State = vdm.sqlalchemy.State
-State.all = [ State.ACTIVE, State.DELETED ]
+State.all = [State.ACTIVE, State.DELETED]
 Revision = vdm.sqlalchemy.make_Revision(meta.mapper, revision_table)
 
 
@@ -42,4 +43,3 @@ def make_revisioned_table(table):
                                  default=datetime.datetime(9999, 12, 31)))
     revision_table.append_column(Column('current', Boolean))
     return revision_table
-