More whiespace fixes

  E303 too many blank lines (2)
  E305 expected 2 blank lines after class or function definition, found 1
  W291 trailing whitespace

Author: rouilj

roundup/backends/back_anydbm.py

@@ -523,7 +523,6 @@ def countnodes(self, classname, db=None):
             db = self.getclassdb(classname)
         return count + len(db)
 
-
     #
     # Files - special node properties
     # inherited from FileStorage
@@ -666,7 +665,6 @@ def pack(self, pack_before):
                 db.reorganize()
             db.close()
 
-
     #
     # Basic transaction support
     #
@@ -822,6 +820,7 @@ def close(self):
             self.lockfile.close()
             self.lockfile = None
 
+
 _marker = []
 
 
@@ -876,9 +875,8 @@ def create_inner(self, **propvalues):
         if self.db.journaltag is None:
             raise hyperdb.DatabaseError(_('Database open read-only'))
 
-
-        if ('creator' in propvalues or 'actor' in propvalues or 
-             'creation' in propvalues or 'activity' in propvalues):
+        if ('creator' in propvalues or 'actor' in propvalues or
+                'creation' in propvalues or 'activity' in propvalues):
             raise KeyError('"creator", "actor", "creation" and '
                            '"activity" are reserved')
 
@@ -1170,8 +1168,8 @@ def set_inner(self, nodeid, **propvalues):
         if not propvalues:
             return propvalues
 
-        if ('creator' in propvalues or 'actor' in propvalues or 
-             'creation' in propvalues or 'activity' in propvalues):
+        if ('creator' in propvalues or 'actor' in propvalues or
+                'creation' in propvalues or 'activity' in propvalues):
             raise KeyError('"creator", "actor", "creation" and '
                            '"activity" are reserved')