delete() korrigiert

book.py

@@ -467,6 +467,6 @@ class Book(tree(separator='/'), Workflow, ModelSQL, ModelView):
                     bookname = book.rec_name,
                     booklines = len(book.lines),
                     ))
-        return super(Book, cls).delete(books)
+        super(Book, cls).delete(books)
 
 # end Book

line.py

@@ -975,7 +975,7 @@ class Line(SecondCurrencyMixin, Workflow, ModelSQL, ModelView):
         """ deny delete if book is not 'open' or wf is not 'edit'
         """
         cls.check_permission_delete(lines)
-        return super(Line, cls).delete(lines)
+        super(Line, cls).delete(lines)
 
 # end Line
 

reconciliation.py

@@ -446,6 +446,6 @@ class Reconciliation(Workflow, ModelSQL, ModelView):
                     reconstate = reconciliation.state_string,
                     ))
 
-        return super(Reconciliation, cls).delete(reconciliations)
+        super(Reconciliation, cls).delete(reconciliations)
 
 # end Type

splitline.py

@@ -254,6 +254,6 @@ class SplitLine(SecondCurrencyMixin, ModelSQL, ModelView):
         Line2 = Pool().get('cashbook.line')
 
         Line2.check_permission_delete([x.line for x in splitlines])
-        return super(SplitLine, cls).delete(splitlines)
+        super(SplitLine, cls).delete(splitlines)
 
 # end SplitLine