Whitespace normalization.

src/ZODB/interfaces.py

@@ -39,4 +39,3 @@ class IConnection(zope.interface.Interface):
         must implement the IPersistent interface and must not
         already be associated with a Connection.
         """
-

src/persistent/interfaces.py

@@ -278,4 +278,3 @@ class IPersistentDataManager(Interface):
         is returned.  If non-None, the return value is the kind of
         timestamp supplied by Python's time.time().
         """
-

src/transaction/_transaction.py

@@ -633,4 +633,3 @@ class DataManagerAdapter(object):
 
     def sortKey(self):
         return self._datamanager.sortKey()
-