--- a/src/pyams_content/component/paragraph/zmi/contact.py	Mon Oct 08 11:53:54 2018 +0200
+++ b/src/pyams_content/component/paragraph/zmi/contact.py	Mon Oct 08 13:47:23 2018 +0200
@@ -12,35 +12,30 @@
 
 __docformat__ = 'restructuredtext'
 
-
-# import standard library
+from transaction.interfaces import ITransactionManager
+from z3c.form import button, field
+from z3c.form.interfaces import INPUT_MODE
+from zope.interface import implementer
 
-# import interfaces
-from pyams_content.component.paragraph.interfaces import IParagraphContainerTarget, IParagraphContainer, \
-    IBaseParagraph, PARAGRAPH_HIDDEN_FIELDS
+from pyams_content.component.paragraph.contact import ContactParagraph
+from pyams_content.component.paragraph.interfaces import IBaseParagraph, IParagraphContainer, IParagraphContainerTarget, \
+    PARAGRAPH_HIDDEN_FIELDS
 from pyams_content.component.paragraph.interfaces.contact import CONTACT_PARAGRAPH_TYPE, IContactParagraph
+from pyams_content.component.paragraph.zmi import BaseParagraphAJAXAddForm, BaseParagraphAJAXEditForm, \
+    BaseParagraphAddMenu, BaseParagraphPropertiesEditForm, IParagraphInnerEditFormButtons, \
+    get_json_paragraph_refresh_event
 from pyams_content.component.paragraph.zmi.interfaces import IParagraphContainerView, IParagraphInnerEditor
+from pyams_content.features.renderer.zmi.widget import RendererFieldWidget
 from pyams_content.interfaces import MANAGE_CONTENT_PERMISSION
+from pyams_form.form import ajax_config
 from pyams_form.interfaces.form import IInnerForm
+from pyams_pagelet.pagelet import pagelet_config
+from pyams_skin.event import get_json_form_refresh_event
 from pyams_skin.interfaces.viewlet import IToolbarAddingMenu
 from pyams_skin.layer import IPyAMSLayer
-from transaction.interfaces import ITransactionManager
-from z3c.form.interfaces import INPUT_MODE
-
-# import packages
-from pyams_content.component.paragraph.contact import ContactParagraph
-from pyams_content.component.paragraph.zmi import BaseParagraphAddMenu, BaseParagraphAJAXAddForm, \
-    BaseParagraphPropertiesEditForm, BaseParagraphAJAXEditForm, get_json_paragraph_refresh_event, \
-    IParagraphEditFormButtons
-from pyams_content.features.renderer.zmi.widget import RendererFieldWidget
-from pyams_form.form import ajax_config
-from pyams_pagelet.pagelet import pagelet_config
-from pyams_skin.event import get_json_form_refresh_event
 from pyams_utils.adapter import adapter_config
 from pyams_viewlet.viewlet import viewlet_config
 from pyams_zmi.form import AdminDialogAddForm
-from z3c.form import field, button
-from zope.interface import implementer
 
 from pyams_content import _
 
@@ -107,7 +102,7 @@
     @property
     def buttons(self):
         if self.mode == INPUT_MODE:
-            return button.Buttons(IParagraphEditFormButtons)
+            return button.Buttons(IParagraphInnerEditFormButtons)
         else:
             return button.Buttons()