--- a/src/pyams_content/component/keynumber/__init__.py	Thu Dec 20 14:22:24 2018 +0100
+++ b/src/pyams_content/component/keynumber/__init__.py	Fri Dec 21 09:51:20 2018 +0100
@@ -15,33 +15,32 @@
 
 # import standard library
 
-# import interfaces
-from pyams_content.component.keynumber.interfaces import IKeyNumber, IKeyNumberContainerTarget, IKeyNumberContainer, \
-    KEYNUMBER_CONTAINER_KEY
-from pyams_content.features.checker.interfaces import IContentChecker, MISSING_VALUE, MISSING_LANG_VALUE
-from pyams_form.interfaces.form import IFormContextPermissionChecker
-from pyams_i18n.interfaces import II18n, II18nManager, INegotiator
-from zope.lifecycleevent.interfaces import IObjectAddedEvent, IObjectModifiedEvent, IObjectRemovedEvent
-from zope.location.interfaces import ISublocations
-from zope.traversing.interfaces import ITraversable
-
-# import packages
-from pyams_catalog.utils import index_object
-from pyams_content.features.checker import BaseContentChecker
-from pyams_utils.adapter import adapter_config, ContextAdapter, get_annotation_adapter
-from pyams_utils.registry import get_current_registry, get_utility
-from pyams_utils.request import check_request
-from pyams_utils.traversing import get_parent
 from persistent import Persistent
 from pyramid.events import subscriber
 from zope.container.contained import Contained
 from zope.container.ordered import OrderedContainer
 from zope.interface import implementer
 from zope.lifecycleevent import ObjectModifiedEvent
+from zope.lifecycleevent.interfaces import IObjectAddedEvent, IObjectModifiedEvent, IObjectRemovedEvent
+from zope.location.interfaces import ISublocations
 from zope.location.location import locate
 from zope.schema.fieldproperty import FieldProperty
+from zope.traversing.interfaces import ITraversable
 
+# import packages
+from pyams_catalog.utils import index_object
 from pyams_content import _
+# import interfaces
+from pyams_content.component.keynumber.interfaces import IKeyNumber, IKeyNumberContainer, IKeyNumberContainerTarget, \
+    KEYNUMBER_CONTAINER_KEY
+from pyams_content.features.checker import BaseContentChecker
+from pyams_content.features.checker.interfaces import IContentChecker, MISSING_LANG_VALUE, MISSING_VALUE
+from pyams_form.interfaces.form import IFormContextPermissionChecker
+from pyams_i18n.interfaces import II18n, II18nManager, INegotiator
+from pyams_utils.adapter import ContextAdapter, adapter_config, get_annotation_adapter
+from pyams_utils.registry import get_current_registry, get_utility
+from pyams_utils.request import check_request
+from pyams_utils.traversing import get_parent
 
 
 #
@@ -170,7 +169,7 @@
 class KeyNumberContainerNamespace(ContextAdapter):
     """Key numbers container ++keynumbers++ namespace"""
 
-    def traverse(self, name, furtherpaath=None):
+    def traverse(self, name, furtherpath=None):
         return IKeyNumberContainer(self.context)