diff --git a/sampling.py b/sampling.py
index 5737391..915e956 100644
--- a/sampling.py
+++ b/sampling.py
@@ -1,4 +1,7 @@
 import numpy as np
+import logging
+
+log = logging.getLogger(__name__)
 
 class Interpolator(object):
     def __init__(self, resolution=10000, width=128):