diff --git a/setup/git_pre_commit_hook.py b/setup/git_pre_commit_hook.py
index 5a92b1f8bc..b992208168 100755
--- a/setup/git_pre_commit_hook.py
+++ b/setup/git_pre_commit_hook.py
@@ -1,11 +1,16 @@
 #!/usr/bin/env python2
 # vim:fileencoding=utf-8
-from __future__ import (unicode_literals, division, absolute_import,
-                        print_function)
+# License: GPLv3 Copyright: 2008, Kovid Goyal <kovid at kovidgoyal.net>
+from __future__ import absolute_import, division, print_function, unicode_literals
 
-__license__ = 'GPL v3'
-__copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
+import importlib
+import json
+import re
+import socket
+import sys
+import urllib
 
+from lxml import html
 
 '''
 Hook to make the commit command automatically close bugs when the commit
@@ -13,9 +18,7 @@ message contains `Fix #number` or `Implement #number`. Also updates the commit
 message with the summary of the closed bug.
 
 '''
-import re, urllib, importlib, sys, json, socket
 
-from lxml import html
 
 SENDMAIL = ('/home/kovid/work/env', 'pgp_mail')
 LAUNCHPAD_BUG = 'https://bugs.launchpad.net/calibre/+bug/%s'
@@ -24,6 +27,7 @@ BUG_PAT = r'(Fix|Implement|Fixes|Fixed|Implemented|See)\s+#(\d+)'
 
 socket.setdefaulttimeout(90)
 
+
 class Bug:
 
     def __init__(self):
@@ -46,7 +50,7 @@ class Bug:
         else:
             summary = json.loads(urllib.urlopen(GITHUB_BUG % bug).read())['title']
         if summary:
-            print ('Working on bug:', summary)
+            print('Working on bug:', summary)
             if int(bug) > 100000 and action != 'See':
                 self.close_bug(bug, action)
                 return match.group() + ' [%s](%s)' % (summary, LAUNCHPAD_BUG % bug)
@@ -54,11 +58,13 @@ class Bug:
         return match.group()
 
     def close_bug(self, bug, action):
-        print ('Closing bug #%s'% bug)
-        suffix = ('The fix will be in the next release. '
-                'calibre is usually released every Friday.')
+        print('Closing bug #%s' % bug)
+        suffix = (
+            'The fix will be in the next release. '
+            'calibre is usually released every alternate Friday.'
+        )
         action += 'ed'
-        msg = '%s in branch %s. %s'%(action, 'master', suffix)
+        msg = '%s in branch %s. %s' % (action, 'master', suffix)
         msg = msg.replace('Fixesed', 'Fixed')
         msg += '\n\n status fixreleased'
 
@@ -66,9 +72,10 @@ class Bug:
 
         sendmail = importlib.import_module(SENDMAIL[1])
 
-        to = bug+'@bugs.launchpad.net'
+        to = bug + '@bugs.launchpad.net'
         sendmail.sendmail(msg, to, 'Fixed in master')
 
+
 def main():
     with open(sys.argv[-1], 'r+b') as f:
         raw = f.read().decode('utf-8')
@@ -79,6 +86,6 @@ def main():
             f.truncate()
             f.write(msg.encode('utf-8'))
 
+
 if __name__ == '__main__':
     main()
-