From b8717631561fec74cb1ab1963d918e53ead29a97 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 4 Sep 2004 20:13:29 +0000
Subject: SF bug #1022010:   Import random fails

* Complete the previous patch by making sure that the MachineRandom
  tests are only run when the underlying resource is available.
---
 Lib/test/test_random.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Lib/test/test_random.py b/Lib/test/test_random.py
index 0396e58..139e8bf 100644
--- a/Lib/test/test_random.py
+++ b/Lib/test/test_random.py
@@ -490,11 +490,14 @@ class TestModule(unittest.TestCase):
         self.failUnless(set(random.__all__) <= set(dir(random)))
 
 def test_main(verbose=None):
-    testclasses =    (WichmannHill_TestBasicOps,
+    testclasses =    [WichmannHill_TestBasicOps,
                       MersenneTwister_TestBasicOps,
-                      HardwareRandom_TestBasicOps,
                       TestDistributions,
-                      TestModule)
+                      TestModule]
+
+    if random._urandom is not None:
+        testclasses.append(HardwareRandom_TestBasicOps)
+
     test_support.run_unittest(*testclasses)
 
     # verify reference counting
-- 
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