diff --git a/pyhsmm/util/general.py b/pyhsmm/util/general.py
index 46a069f0..74057bf5 100644
--- a/pyhsmm/util/general.py
+++ b/pyhsmm/util/general.py
@@ -6,7 +6,7 @@
 import scipy.linalg
 import copy, collections, os, shutil, hashlib
 from contextlib import closing
-from six.moves.urllib.request import urlopen
+from urllib.request import urlopen
 from itertools import chain, count
 from functools import reduce