diff --git a/python/msgpack-numpy.py b/python/msgpack-numpy.py
index b7b3923..0a5f6e9 100644
--- a/python/msgpack-numpy.py
+++ b/python/msgpack-numpy.py
@@ -19,3 +19,4 @@
 x_enc3 = msgpack.packb(x)
 # ruleid: msgpack-numpy
 x_rec3 = msgpack.unpackb(x_enc2)
+