diff --git a/src/prep.py b/src/prep.py
index cca4898..67689d9 100755
--- a/src/prep.py
+++ b/src/prep.py
@@ -8,7 +8,7 @@ import nilmdb.client
 from numpy import *
 import scipy.fftpack
 import scipy.signal
-from matplotlib import pyplot as p
+#from matplotlib import pyplot as p
 import bisect
 
 def main(argv = None):