--- a/src/pyams_content/component/paragraph/zmi/frame.py	Mon Oct 08 11:53:54 2018 +0200
+++ b/src/pyams_content/component/paragraph/zmi/frame.py	Mon Oct 08 13:47:23 2018 +0200
@@ -12,42 +12,37 @@
 
 __docformat__ = 'restructuredtext'
 
-
-# import standard library
+from z3c.form import button, field
+from z3c.form.interfaces import INPUT_MODE
+from zope.interface import Interface, implementer
 
-# import interfaces
 from pyams_content.component.association.interfaces import IAssociationContainerTarget
+from pyams_content.component.association.zmi import AssociationsTable
 from pyams_content.component.association.zmi.interfaces import IAssociationsParentForm
-from pyams_content.component.paragraph.interfaces import IParagraphContainerTarget, IParagraphContainer, \
+from pyams_content.component.paragraph.frame import FrameParagraph
+from pyams_content.component.paragraph.interfaces import IParagraphContainer, IParagraphContainerTarget, \
     PARAGRAPH_HIDDEN_FIELDS
-from pyams_content.component.paragraph.interfaces.frame import IFrameParagraph, FRAME_PARAGRAPH_TYPE
-from pyams_content.component.paragraph.zmi.interfaces import IParagraphInnerEditor, IParagraphContainerView
+from pyams_content.component.paragraph.interfaces.frame import FRAME_PARAGRAPH_TYPE, IFrameParagraph
+from pyams_content.component.paragraph.zmi import BaseParagraphAJAXAddForm, BaseParagraphAJAXEditForm, \
+    BaseParagraphAddMenu, BaseParagraphPropertiesEditForm, IParagraphInnerEditFormButtons, \
+    get_json_paragraph_toolbar_refresh_event
+from pyams_content.component.paragraph.zmi.container import ParagraphContainerTable, \
+    ParagraphTitleToolbarViewletManager
+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_switched_table_refresh_event, get_json_widget_refresh_event
 from pyams_skin.interfaces.tinymce import ITinyMCEConfiguration
 from pyams_skin.interfaces.viewlet import IToolbarAddingMenu
 from pyams_skin.layer import IPyAMSLayer
-from pyams_zmi.interfaces import IPropertiesEditForm
-from z3c.form.interfaces import INPUT_MODE
-
-# import packages
-from pyams_content.component.association.zmi import AssociationsTable
-from pyams_content.component.paragraph.frame import FrameParagraph
-from pyams_content.component.paragraph.zmi import BaseParagraphAJAXAddForm, BaseParagraphAJAXEditForm, \
-    BaseParagraphAddMenu, BaseParagraphPropertiesEditForm, get_json_paragraph_toolbar_refresh_event, \
-    IParagraphEditFormButtons
-from pyams_content.component.paragraph.zmi.container import ParagraphContainerTable, \
-    ParagraphTitleToolbarViewletManager
-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_switched_table_refresh_event, get_json_widget_refresh_event
-from pyams_utils.adapter import adapter_config, ContextRequestAdapter
+from pyams_utils.adapter import ContextRequestAdapter, adapter_config
 from pyams_utils.traversing import get_parent
 from pyams_viewlet.viewlet import viewlet_config
 from pyams_zmi.form import AdminDialogAddForm
-from z3c.form import field, button
-from zope.interface import implementer, Interface
+from pyams_zmi.interfaces import IPropertiesEditForm
 
 from pyams_content import _
 
@@ -168,7 +163,7 @@
     @property
     def buttons(self):
         if self.mode == INPUT_MODE:
-            return button.Buttons(IParagraphEditFormButtons)
+            return button.Buttons(IParagraphInnerEditFormButtons)
         else:
             return button.Buttons()