==== Everything works ====

laga@prometheus:/tmp$ python2.5
Python 2.5.2 (r252:60911, Apr  8 2008, 21:47:16)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path.append('/usr/lib/python%s/site-packages/oldxml' % sys.version[:3])
>>> from xml.dom.ext.reader import HtmlLib
>>>

==== Raise an unrelated exception. the import breaks ====

laga@prometheus:/tmp$ python2.5
Python 2.5.2 (r252:60911, Apr  8 2008, 21:47:16)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> raise NameError
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError
>>> import sys
>>> sys.path.append('/usr/lib/python%s/site-packages/oldxml' % sys.version[:3])
>>> from xml.dom.ext.reader import HtmlLib
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named ext.reader
>>>          




==== PYTHON 2.4 ====

==== All is well====

laga@prometheus:/tmp$ python2.4
Python 2.4.5 (#2, Mar 12 2008, 15:21:25)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path.append('/usr/lib/python%s/site-packages/oldxml' % sys.version[:3])
>>> from xml.dom.ext.reader import HtmlLib
>>>
                  

==== Raise unrelated Error, everything still works ====

laga@prometheus:/tmp$ python2.4
Python 2.4.5 (#2, Mar 12 2008, 15:21:25)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> raise NameError
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
NameError
>>> import sys
>>> sys.path.append('/usr/lib/python%s/site-packages/oldxml' % sys.version[:3])
>>> from xml.dom.ext.reader import HtmlLib
>>>            






===== Output of sys.path =====
===== working python 2.4 =====
['', '/usr/lib/python24.zip', '/usr/lib/python2.4', '/usr/lib/python2.4/plat-linux2', '/usr/lib/python2.4/lib-tk', '/usr/lib/python2.4/lib-dynload', '/usr/local/lib/python2.4/site-packages', '/usr/lib/python2.4/site-packages', '/usr/lib/python2.4/site-packages/Numeric', '/usr/lib/python2.4/site-packages/PIL', '/usr/lib/python2.4/site-packages/gst-0.10', '/var/lib/python-support/python2.4', '/usr/lib/python2.4/site-packages/gtk-2.0', '/var/lib/python-support/python2.4/gtk-2.0', '/usr/lib/python2.4/site-packages/oldxml']

===== python 2.5 =====
['', '/usr/lib/python25.zip', '/usr/lib/python2.5', '/usr/lib/python2.5/plat-linux2', '/usr/lib/python2.5/lib-tk', '/usr/lib/python2.5/lib-dynload', '/usr/local/lib/python2.5/site-packages', '/usr/lib/python2.5/site-packages', '/usr/lib/python2.5/site-packages/Numeric', '/usr/lib/python2.5/site-packages/PIL', '/usr/lib/python2.5/site-packages/gst-0.10', '/var/lib/python-support/python2.5', '/usr/lib/python2.5/site-packages/gtk-2.0', '/var/lib/python-support/python2.5/gtk-2.0', '/usr/lib/python2.5/site-packages/oldxml']