diff --git a/tests/pytest-h2d b/tests/pytest-h2d
--- a/tests/pytest-h2d
+++ b/tests/pytest-h2d
@@ -1,22 +1,24 @@
 #! /usr/bin/env python
 
+from __future__ import print_function
 import yoda, random
 
 h = yoda.Histo2D(5,0.,10., 5,0.,10., "/foo")
 for _ in range(100):
     h.fill(random.gauss(5, 3), random.gauss(5, 2))
 print(h)
+print(h.bins)
 
 yoda.write([h], "h2d.yoda")
 aos = yoda.read("h2d.yoda")
 for _, ao in aos.items():
     print(ao)
 
 yoda.write([h], "h2d.dat")
 # aos = yoda.read("h2d.dat")
 # for _, ao in aos.iteritems():
 #     print ao
 
 s = yoda.mkScatter(h)
 s = h.mkScatter()
 s2 = s.mkScatter()
diff --git a/tests/pytest-rebin b/tests/pytest-rebin
--- a/tests/pytest-rebin
+++ b/tests/pytest-rebin
@@ -1,41 +1,42 @@
 #! /usr/bin/env python
 
 import yoda
+import numpy as np
 
 h = yoda.Histo1D(10, 0, 5)
 for x in (0.1, 0.2, 1.3, 2.1, 2.7, 2.8, 4.0, 4.1):
     h.fill(x)
 print(h.numBins)
-print(h.xEdges)
+print(h.xEdges())
 
 print("Ha1")
 ha1 = h.clone()
 ha1.rebinBy(2)
 print(ha1.numBins)
-print(ha1.xEdges)
+print(ha1.xEdges())
 assert ha1.numBins == 5
-assert ha1.xEdges == [0.0, 1.0, 2.0, 3.0, 4.0, 5.0]
+assert np.allclose(ha1.xEdges(), [0.0, 1.0, 2.0, 3.0, 4.0, 5.0])
 
 print("Ha2")
 ha2 = h.clone()
 ha2.rebinBy(2, 2, 7)
 print(ha2.numBins)
-print(ha2.xEdges)
+print(ha2.xEdges())
 assert ha2.numBins == 7
-assert ha2.xEdges == [0.0, 0.5, 1.0, 2.0, 3.0, 4.0, 4.5, 5.0]
+assert np.allclose(ha2.xEdges(), [0.0, 0.5, 1.0, 2.0, 3.0, 4.0, 4.5, 5.0])
 
 print("Hb1")
 hb1 = h.clone()
 hb1.rebinTo([0., 1., 3., 5.])
 print(hb1.numBins)
-print(hb1.xEdges)
+print(hb1.xEdges())
 assert hb1.numBins == 3
-assert hb1.xEdges == [0.0, 1.0, 3.0, 5.0]
+assert np.allclose(hb1.xEdges(), [0.0, 1.0, 3.0, 5.0])
 
 print("Hb2")
 hb2 = h.clone()
 hb2.rebin([1., 1.5,  3., 4.5])
 print(hb2.numBins)
-print(hb2.xEdges)
+print(hb2.xEdges())
 assert hb2.numBins == 3
-assert hb2.xEdges == [1.0, 1.5, 3.0, 4.5]
+assert np.allclose(hb2.xEdges(), [1.0, 1.5, 3.0, 4.5])