--- a/src/pyams_content/component/illustration/interfaces/__init__.py	Thu Sep 06 17:43:49 2018 +0200
+++ b/src/pyams_content/component/illustration/interfaces/__init__.py	Fri Sep 07 16:40:05 2018 +0200
@@ -15,18 +15,16 @@
 
 # import standard library
 
-# import interfaces
-from pyams_content.component.paragraph.interfaces import IBaseParagraph
-from pyams_content.features.renderer.interfaces import IRenderedContent
-from pyams_i18n.schema import I18nTextLineField, I18nTextField, I18nThumbnailMediaField
 from zope.annotation.interfaces import IAttributeAnnotatable
-
 # import packages
 from zope.interface import Interface
 from zope.schema import Choice, TextLine
 
 from pyams_content import _
-
+# import interfaces
+from pyams_content.component.paragraph.interfaces import IBaseParagraph
+from pyams_content.features.renderer.interfaces import IRenderedContent
+from pyams_i18n.schema import I18nTextLineField, I18nTextField, I18nThumbnailMediaField
 
 #
 # Illustration
@@ -57,6 +55,10 @@
                                   description=_("Alternate title used to describe image content"),
                                   required=False)
 
+    author = TextLine(title=_("Author"),
+                      description=_("Name of picture's author"),
+                      required=False)
+
 
 class IIllustration(IBasicIllustration, IRenderedContent):
     """Illustration paragraph"""
@@ -65,10 +67,6 @@
                                 description=_("Illustration description displayed in front-office templates"),
                                 required=False)
 
-    author = TextLine(title=_("Author"),
-                      description=_("Name of picture's author"),
-                      required=False)
-
     renderer = Choice(title=_("Illustration template"),
                       description=_("Presentation template used for illustration"),
                       vocabulary=ILLUSTRATION_RENDERERS,