[issue17883] Fix buildbot testing of Tkinter

[Ezio Melotti]

Ezio Melotti added the comment:

Here's the traceback:
http://buildbot.python.org/all/builders/x86%20Windows%20Server%202003%20%5BSB%5D%202.7/builds/435/steps/test/logs/stdio
======================================================================
ERROR: testLoadWithUNC (test.test_tcl.TclTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "E:\Data\buildslave\cpython\2.7.snakebite-win2k3r2sp2-x86\build\lib\test\test_tcl.py", line 152, in testLoadWithUNC
    p = Popen(cmd, stdout=PIPE, stderr=PIPE)
  File "E:\Data\buildslave\cpython\2.7.snakebite-win2k3r2sp2-x86\build\lib\subprocess.py", line 711, in __init__
    errread, errwrite)
  File "E:\Data\buildslave\cpython\2.7.snakebite-win2k3r2sp2-x86\build\lib\subprocess.py", line 948, in _execute_child
    startupinfo)
WindowsError: [Error 5] Access is denied

----------------------------------------------------------------------
Ran 21 tests in 0.578s

The buildbot also hangs on test_ttk_guionly.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue17883>
_______________________________________