--- a/cutils/shasum.py	Sat Feb 26 19:20:20 2022 +0100
+++ b/cutils/shasum.py	Sat Feb 26 19:32:01 2022 +0100
@@ -1,18 +1,19 @@
-r"""
-:Author:    Franz Glasner
-:Copyright: (c) 2020-2022 Franz Glasner.
-            All rights reserved.
-:License:   BSD 3-Clause "New" or "Revised" License.
-            See :ref:`LICENSE <license>` for details.
-            If you cannot find LICENSE see
-            <https://opensource.org/licenses/BSD-3-Clause>
-:ID:        @(#) $HGid$
+# -*- coding: utf-8 -*-
+# :-
+# :Copyright: (c) 2020-2022 Franz Glasner
+# :License:   BSD-3-Clause
+# :-
+r"""Pure Python implementation of `shasum`
 
 """
 
 from __future__ import print_function, absolute_import
 
-from . import (__version__, __revision__, __date__)
+from . import (__version__, __revision__)
+
+
+__all__ = []
+
 
 import argparse
 import base64