Update hooks

files/post-commit

-#!/usr/bin/python3
+#!/usr/bin/python2
 # coding=utf-8
 __version__ = '1.0'
 __author__ = 'Jürgen Haas'
@@ -89,7 +89,7 @@ for id in issues:
             connection.createAttachment(id, attachmentName, content, authorLogin=author, group=group)
             comment = log.replace(id, '') + ' (see patch in attachment %s)' % attachmentName
         else:
-            comment = log.replace(id, '') + "\n{code}" + diff + "\n{code}"
+            comment = log.replace(id, '') + "\n```\n" + diff + "\n```"
 
         sys.stdout.write("Adding comment to issue %s ...\n" % id)
         connection.executeCommand(id, 'comment', comment=comment, group=group, run_as=author)

files/pre-commit

-#!/usr/bin/python3
+#!/usr/bin/python2
 # coding=utf-8
 __version__ = '1.0'
 __author__ = 'Jürgen Haas'