[issue5120] Disabling test_ttk_guionly on mac

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

ttk_guionly creates a button (ttk.Button()) which calls _load_tile(), which crashs on: master.tk.eval('package require tile')

Code of the function:
-------------------------
def _load_tile(master):
    if _REQUIRE_TILE:
        import os
        tilelib = os.environ.get('TILE_LIBRARY')
        if tilelib:
            # append custom tile path to the the list of directories that
            # Tcl uses when attempting to resolve packages with the package
            # command
            master.tk.eval(
                    'global auto_path; '
                    'lappend auto_path {%s}' % tilelib)

        master.tk.eval('package require tile') # TclError may be raised here
        master._tile_loaded = True
-------------------------

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5120>
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