diff --git a/src/collective/task/configure.zcml b/src/collective/task/configure.zcml
index dc5f490..2916b85 100644
--- a/src/collective/task/configure.zcml
+++ b/src/collective/task/configure.zcml
@@ -14,8 +14,8 @@
     <include package="plone.api" />
     <include package="plone.app.dexterity" />
     <include package="plone.app.relationfield" />
-    <include package="plone.formwidget.datetime" />
     <include package="collective.z3cform.chosen" />
+    <include package='plone.formwidget.datetime' />
 
     <include package=".browser" />
     <include package=".content" />
diff --git a/src/collective/task/interfaces.py b/src/collective/task/interfaces.py
index 3241ea6..e289d17 100644
--- a/src/collective/task/interfaces.py
+++ b/src/collective/task/interfaces.py
@@ -7,19 +7,19 @@ from zope import schema
 from zope.interface import provider
 
 from Products.CMFPlone.utils import base_hasattr
+
 from plone.autoform import directives as form
 from plone.directives.form.value import default_value
-from plone.formwidget.datetime.z3cform.widget import DatetimeFieldWidget
 from plone.supermodel import model
 from plone.theme.interfaces import IDefaultPloneLayer
+from plone.formwidget.datetime.z3cform.widget import DatetimeFieldWidget
 
-from collective.dms.basecontent.widget import AjaxChosenMultiFieldWidget
 from collective.z3cform.rolefield.field import LocalRolesToPrincipals
+from collective.dms.basecontent.widget import AjaxChosenMultiFieldWidget
 
 from collective.task import _
 
 
-
 class ICollectiveTaskLayer(IDefaultPloneLayer):
     """Marker interface that defines a Zope 3 browser layer."""