# running the tests normally:

$ ./python -m test.regrtest test_distutils test_pydoc
Could not find '/home/wolf/py3k/Lib/test' in sys.path to remove it        
test_distutils                                                            
Warning: os.environ was modified by test_distutils                        
test test_distutils failed -- Traceback (most recent call last):          
  File "/home/wolf/py3k/Lib/distutils/tests/test_archive_util.py", line 224, in test_make_archive_owner_group                                                                                                     
    group=group)                                                                                         
  File "/home/wolf/py3k/Lib/distutils/archive_util.py", line 235, in make_archive                        
    filename = func(base_name, base_dir, **kwargs)                                                       
  File "/home/wolf/py3k/Lib/distutils/archive_util.py", line 162, in make_zipfile                        
    compression=zipfile.ZIP_DEFLATED)                                                                    
  File "/home/wolf/py3k/Lib/zipfile.py", line 672, in __init__                                           
    "Compression requires the (missing) zlib module")                                                    
RuntimeError: Compression requires the (missing) zlib module                                             

test_pydoc
Traceback (most recent call last):
  File "/home/wolf/py3k/Lib/pydoc.py", line 55, in <module>
    import sys, imp, os, re, inspect, builtins, pkgutil    
  File "/home/wolf/py3k/Lib/inspect.py", line 42, in <module>
    from operator import attrgetter                          
ImportError: No module named operator                        
Traceback (most recent call last):                           
  File "/home/wolf/py3k/Lib/pydoc.py", line 55, in <module>  
    import sys, imp, os, re, inspect, builtins, pkgutil      
  File "/home/wolf/py3k/Lib/inspect.py", line 42, in <module>
    from operator import attrgetter                          
ImportError: No module named operator                        
test test_pydoc failed -- errors occurred; run in verbose mode for details
2 tests failed:                                                           
    test_distutils test_pydoc                                             



# redirecting stderr to /dev/null, only stdout visible:

$ ./python -m test.regrtest test_distutils test_pydoc 2> /dev/null
Could not find '/home/wolf/py3k/Lib/test' in sys.path to remove it
test_distutils
Warning: os.environ was modified by test_distutils
test test_distutils failed -- Traceback (most recent call last):
  File "/home/wolf/py3k/Lib/distutils/tests/test_archive_util.py", line 224, in test_make_archive_owner_group
    group=group)
  File "/home/wolf/py3k/Lib/distutils/archive_util.py", line 235, in make_archive
    filename = func(base_name, base_dir, **kwargs)
  File "/home/wolf/py3k/Lib/distutils/archive_util.py", line 162, in make_zipfile
    compression=zipfile.ZIP_DEFLATED)
  File "/home/wolf/py3k/Lib/zipfile.py", line 672, in __init__
    "Compression requires the (missing) zlib module")
RuntimeError: Compression requires the (missing) zlib module

test_pydoc
test test_pydoc failed -- errors occurred; run in verbose mode for details
2 tests failed:
    test_distutils test_pydoc



# redirecting stdout to /dev/null, only stderr visible:

$ ./python -m test.regrtest test_distutils test_pydoc > /dev/null
Traceback (most recent call last):
  File "/home/wolf/py3k/Lib/pydoc.py", line 55, in <module>
    import sys, imp, os, re, inspect, builtins, pkgutil
  File "/home/wolf/py3k/Lib/inspect.py", line 42, in <module>
    from operator import attrgetter
ImportError: No module named operator
Traceback (most recent call last):
  File "/home/wolf/py3k/Lib/pydoc.py", line 55, in <module>
    import sys, imp, os, re, inspect, builtins, pkgutil
  File "/home/wolf/py3k/Lib/inspect.py", line 42, in <module>
    from operator import attrgetter
ImportError: No module named operator


# (Note: if you are worried about these failures I already reported it on #7066)