diff --git a/hy/lex/tokenize.py b/hy/lex/tokenize.py
index 53a02ac..142a5ec 100644
--- a/hy/lex/tokenize.py
+++ b/hy/lex/tokenize.py
@@ -2,6 +2,7 @@ from hy.lex.machine import Machine
 from hy.lex.states import Idle
 from hy.lex.errors import LexException
 
+
 def tokenize(buff):
     m = Machine(Idle)
     m.process(buff)