Update version to py3

Bug: T257399
Change-Id: Idbba4c63e8000f51c5c6ab519d2da7ba8e8f7087
---
M scripts/version.py
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/scripts/version.py b/scripts/version.py
index b35ef80..ed06b6e 100755
--- a/scripts/version.py
+++ b/scripts/version.py
@@ -6,8 +6,6 @@
 #
 # Distributed under the terms of the MIT license.
 #
-from __future__ import absolute_import, division, unicode_literals
-
 import codecs
 import os
 import sys
@@ -19,7 +17,7 @@
 try:
     import requests
 except ImportError:
-    class DummyRequests(object):
+    class DummyRequests:
 
         """Fake requests instance."""
 
@@ -30,14 +28,14 @@
 WMF_CACERT = 'MIIDxTCCAq2gAwIBAgIQAqxcJmoLQJuPC3nyrkYldzANBgkqhkiG9w0BAQUFADBs'
 
 
-def check_environ(environ_name):
+def check_environ(environ_name) -> None:
     """Print environment variable."""
     pywikibot.output('{0}: {1}'.format(environ_name,
                                        os.environ.get(environ_name,
                                                       'Not set')))
 
 
-def main(*args):
+def main(*args) -> None:
     """Print pywikibot version and important settings."""
     pywikibot.output('Pywikibot: ' + getversion())
     pywikibot.output('Release version: ' + pywikibot.__version__)

