diff --git a/sktensor/core.py b/sktensor/core.py
index 9f4c93f..3e4f628 100644
--- a/sktensor/core.py
+++ b/sktensor/core.py
@@ -98,7 +98,7 @@ def ttm(self, V, mode=None, transp=False, without=False):
         elif is_sequence(V):
             dims, vidx = check_multiplication_dims(mode, self.ndim, len(V), vidx=True, without=without)
             Y = self._ttm_compute(V[vidx[0]], dims[0], transp)
-            for i in xrange(1, len(dims)):
+            for i in range(1, len(dims)):
                 Y = Y._ttm_compute(V[vidx[i]], dims[i], transp)
         return Y
 
diff --git a/sktensor/dedicom.py b/sktensor/dedicom.py
index 269d426..d1338d1 100644
--- a/sktensor/dedicom.py
+++ b/sktensor/dedicom.py
@@ -99,7 +99,7 @@ def asalsan(X, rank, **kwargs):
     #normX = norm(X)**2
     fit = fitold = f = fitchange = 0
     exectimes = []
-    for iters in xrange(maxIter):
+    for iters in range(maxIter):
         tic = time.clock()
         fitold = fit
         A = __updateA(X, A, D, R, nne)
@@ -114,7 +114,7 @@ def asalsan(X, rank, **kwargs):
 
         # compute fit
         f = 0
-        for i in xrange(len(X)):
+        for i in range(len(X)):
             AD = dot(A, diag(D[i, :]))
             M = dot(dot(AD, R), AD.T)
             f += normX[i] + norm(M) ** 2 - 2 * Xflat[i].dot(M.flatten())