Limit use of 'long' to Python 2.

Author: TallJimbo

libs/numpy/test/dtype.py

@@ -8,6 +8,7 @@
 import dtype_mod
 import unittest
 import numpy
+import sys
 
 class DtypeTestCase(unittest.TestCase):
 
@@ -27,8 +28,9 @@ def testIntegers(self):
             self.assertEquivalent(fu(True), numpy.dtype(u))
             self.assertEquivalent(fs(int(1)), numpy.dtype(s))
             self.assertEquivalent(fu(int(1)), numpy.dtype(u))
-            self.assertEquivalent(fs(long(1)), numpy.dtype(s))
-            self.assertEquivalent(fu(long(1)), numpy.dtype(u))
+            if sys.version_info[0] == 2:
+                self.assertEquivalent(fs(long(1)), numpy.dtype(s))
+                self.assertEquivalent(fu(long(1)), numpy.dtype(u))
         for name in ("bool_", "byte", "ubyte", "short", "ushort", "intc", "uintc"):
             t = getattr(numpy, name)
             ft = getattr(dtype_mod, "accept_%s" % name)
@@ -37,7 +39,8 @@ def testIntegers(self):
             self.assertEquivalent(ft(True), numpy.dtype(t))
             if name != "bool_":
                 self.assertEquivalent(ft(int(1)), numpy.dtype(t))
-                self.assertEquivalent(ft(long(1)), numpy.dtype(t))
+                if sys.version_info[0] == 2:
+                    self.assertEquivalent(ft(long(1)), numpy.dtype(t))
 
 
     def testFloats(self):