diff -r 3dcf565c711e -r d50743e69693 src/pyams_content/shared/logo/paragraph.py
--- a/src/pyams_content/shared/logo/paragraph.py	Thu Jul 12 17:35:20 2018 +0200
+++ b/src/pyams_content/shared/logo/paragraph.py	Thu Jul 12 17:35:51 2018 +0200
@@ -9,6 +9,7 @@
 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
 # FOR A PARTICULAR PURPOSE.
 #
+from pyams_utils.zodb import volatile_property
 
 __docformat__ = 'restructuredtext'
 
@@ -26,7 +27,7 @@
 # import packages
 from pyams_content.component.paragraph import BaseParagraph, IParagraphFactory, BaseParagraphFactory, \
     BaseParagraphContentChecker
-from pyams_sequence.utility import get_reference_target
+from pyams_sequence.reference import get_reference_target
 from pyams_utils.adapter import adapter_config
 from pyams_utils.registry import utility_config, get_utility
 from pyams_utils.request import check_request