diff --git a/timmy/cli.py b/timmy/cli.py
index f1e500e..98f5fed 100755
--- a/timmy/cli.py
+++ b/timmy/cli.py
@@ -386,5 +386,6 @@ def main(argv=None):
             not args.quiet, not conf['offline']]):
         print('Archives available in "%s".' % nm.conf['archive_dir'])
 
+
 if __name__ == '__main__':
     sys.exit(main(sys.argv))
diff --git a/timmy/flock.py b/timmy/flock.py
index 4291e95..f3d9f07 100644
--- a/timmy/flock.py
+++ b/timmy/flock.py
@@ -96,6 +96,7 @@ class FLock:
             # lockfile can be erased and everything still works normally.
             pass
 
+
 # Test main routine
 if __name__ == '__main__':
     import time
diff --git a/timmy/nodes.py b/timmy/nodes.py
index edd3388..ef57254 100644
--- a/timmy/nodes.py
+++ b/timmy/nodes.py
@@ -955,5 +955,6 @@ class NodeManager(object):
 def main(argv=None):
     return 0
 
+
 if __name__ == '__main__':
     sys.exit(main(sys.argv))