--- a/src/pyams_utils/interfaces/timezone.py	Sat Nov 23 01:24:11 2019 +0100
+++ b/src/pyams_utils/interfaces/timezone.py	Sat Nov 23 14:57:24 2019 +0100
@@ -10,17 +10,17 @@
 # FOR A PARTICULAR PURPOSE.
 #
 
-__docformat__ = 'restructuredtext'
+"""PyAMS_utils.interfaces.timezone module
+
+This module provides timezone utility interface and schema field
+"""
+
+from zope.interface import Interface, implementer
+from zope.schema import Choice
+from zope.schema.interfaces import IChoice
 
 
-# import standard library
-
-# import interfaces
-from zope.schema.interfaces import IChoice
-
-# import packages
-from zope.interface import implementer, Interface
-from zope.schema import Choice
+__docformat__ = 'restructuredtext'
 
 from pyams_utils import _