Fix tests in IPython.core

IPython/core/excolors.py

@@ -24,7 +24,7 b' def exception_colors():'
     >>> ec = exception_colors()
     >>> ec.active_scheme_name
     ''
-    >>> print ec.active_colors
+    >>> print(ec.active_colors)
     None
 
     Now we activate a color scheme:

IPython/core/tests/test_history.py

@@ -43,9 +43,9 b' def test_history():'
             
             # Detailed tests for _get_range_session
             grs = ip.history_manager._get_range_session
-            nt.assert_equal(list(grs(start=2,stop=-1)), zip([0], [2], hist[1:-1]))
-            nt.assert_equal(list(grs(start=-2)), zip([0,0], [2,3], hist[-2:]))
-            nt.assert_equal(list(grs(output=True)), zip([0,0,0], [1,2,3], zip(hist, [None,None,'spam'])))
+            nt.assert_equal(list(grs(start=2,stop=-1)), list(zip([0], [2], hist[1:-1])))
+            nt.assert_equal(list(grs(start=-2)), list(zip([0,0], [2,3], hist[-2:])))
+            nt.assert_equal(list(grs(output=True)), list(zip([0,0,0], [1,2,3], zip(hist, [None,None,'spam']))))
 
             # Check whether specifying a range beyond the end of the current
             # session results in an error (gh-804)
@@ -66,10 +66,10 b' def test_history():'
             for i, cmd in enumerate(newcmds, start=1):
                 ip.history_manager.store_inputs(i, cmd)
             gothist = ip.history_manager.get_range(start=1, stop=4)
-            nt.assert_equal(list(gothist), zip([0,0,0],[1,2,3], newcmds))
+            nt.assert_equal(list(gothist), list(zip([0,0,0],[1,2,3], newcmds)))
             # Previous session:
             gothist = ip.history_manager.get_range(-1, 1, 4)
-            nt.assert_equal(list(gothist), zip([1,1,1],[1,2,3], hist))
+            nt.assert_equal(list(gothist), list(zip([1,1,1],[1,2,3], hist)))
 
             newhist = [(2, i, c) for (i, c) in enumerate(newcmds, 1)]