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on python 2.4 beta 2:
Python 2.4b2 (#1, Nov 10 2004, 15:22:25) [C] on 
osf1V5 
on an HP Tru64 OSF5.1b system,
test_subprocess fails for an assertion error that 
suggests that python doesn't understand the means 
that this OS uses to implement clusters. The test fails 
on both clustered and unclustered boxes.
As yet, this failure does not impact us. Low priority for 
now.
Note that tru64 expands {memb} to a cluster node 
indicator.
member0 means a single-node unclustered system.
our other tru64 system is clusters, and expands {memb} 
to member1 and member2 for the two nodes.
output of ./python ./Lib/test/test_subprocess.py > out 
2>&1::::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:::::::::::
 this bit of output is from a test of stdout in a 
different process ... test_args_string 
(__main__.ProcessTestCase) ... ok test_call_kwargs 
(__main__.ProcessTestCase) ... ok test_call_seq 
(__main__.ProcessTestCase) ... ok test_call_string 
(__main__.ProcessTestCase) ... ok test_communicate 
(__main__.ProcessTestCase) ... ok 
test_communicate_pipe_buf 
(__main__.ProcessTestCase) ... ok 
test_communicate_returns 
(__main__.ProcessTestCase) ... ok test_cwd 
(__main__.ProcessTestCase) ... FAIL test_env 
(__main__.ProcessTestCase) ... ok test_exceptions 
(__main__.ProcessTestCase) ... ok test_executable 
(__main__.ProcessTestCase) ... ok test_invalid_args 
(__main__.ProcessTestCase) ... ok test_list2cmdline 
(__main__.ProcessTestCase) ... ok test_no_leaking 
(__main__.ProcessTestCase) ... ok test_poll 
(__main__.ProcessTestCase) ... ok test_preexec 
(__main__.ProcessTestCase) ... ok test_run_abort 
(__main__.ProcessTestCase) ... ok test_shell_sequence 
(__main__.ProcessTestCase) ... ok test_shell_string 
(__main__.ProcessTestCase) ... ok test_stderr_filedes 
(__main__.ProcessTestCase) ... ok test_stderr_fileobj 
(__main__.ProcessTestCase) ... ok test_stderr_none 
(__main__.ProcessTestCase) ... ok test_stderr_pipe 
(__main__.ProcessTestCase) ... ok test_stdin_filedes 
(__main__.ProcessTestCase) ... ok test_stdin_fileobj 
(__main__.ProcessTestCase) ... ok test_stdin_none 
(__main__.ProcessTestCase) ... ok test_stdin_pipe 
(__main__.ProcessTestCase) ... ok test_stdout_filedes 
(__main__.ProcessTestCase) ... ok test_stdout_fileobj 
(__main__.ProcessTestCase) ... ok test_stdout_none 
(__main__.ProcessTestCase) ... ok test_stdout_pipe 
(__main__.ProcessTestCase) ... ok 
test_stdout_stderr_file (__main__.ProcessTestCase) ... 
ok test_stdout_stderr_pipe 
(__main__.ProcessTestCase) ... ok 
test_universal_newlines (__main__.ProcessTestCase) ... 
ok test_universal_newlines_communicate 
(__main__.ProcessTestCase) ... ok test_wait 
(__main__.ProcessTestCase) ... ok 
test_writes_before_communicate 
(__main__.ProcessTestCase) ... ok
==========================================
============================
FAIL: test_cwd (__main__.ProcessTestCase)
------------------------------------------------------
----------------
Traceback (most recent call last):
 File "./Lib/test/test_subprocess.py", line 218, in 
test_cwd
 self.assertEqual(normcase(p.stdout.read()), normcase
(tmpdir))
AssertionError: '/cluster/members/member0/tmp' !
= '/cluster/members/{memb}/tmp'
------------------------------------------------------
----------------
Ran 37 tests in 113.252s
FAILED (failures=1)
Traceback (most recent call last):
 File "./Lib/test/test_subprocess.py", line 545, in ?
 test_main()
 File "./Lib/test/test_subprocess.py", line 542, in 
test_main
 test_support.run_unittest(ProcessTestCase)
 File "/u13/home/doug/python/Python-
2.4b2/Lib/test/test_support.py", line 290, in run_unittest
 run_suite(suite, testclass)
 File "/u13/home/doug/python/Python-
2.4b2/Lib/test/test_support.py", line 275, in run_suite
 raise TestFailed(err)
test.test_support.TestFailed: Traceback (most recent 
call last):
 File "./Lib/test/test_subprocess.py", line 218, in 
test_cwd
 self.assertEqual(normcase(p.stdout.read()), normcase
(tmpdir))
AssertionError: '/cluster/members/member0/tmp' !
= '/cluster/members/{memb}/tmp'
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:::::::::::::

Logged In: YES 
user_id=344921
I think I've been able to fix this in revision 1.14 of
test_subprocess.py. I don't have access to a Tru64 system,
though. Please reopen this bug if the problem still exists.