diff --git a/examples/src/main/python/mllib/gaussian_mixture_model.py b/examples/src/main/python/mllib/gaussian_mixture_model.py
index dc83396474f8b..9a33a81f38a78 100644
--- a/examples/src/main/python/mllib/gaussian_mixture_model.py
+++ b/examples/src/main/python/mllib/gaussian_mixture_model.py
@@ -22,15 +22,12 @@
 """
 
 import sys
-
 import numpy as np
 from pyspark import SparkContext
 from pyspark.mllib.clustering import GaussianMixtureEM
 
-
-# TODO change , to ' '
 def parseVector(line):
-    return np.array([float(x) for x in line.split(',')])
+    return np.array([float(x) for x in line.split(' ')])
 
 
 if __name__ == "__main__":