traits_either.py

In [21]: class A(HasTraits):
    foo = Either(File(exists=True), List(File(exists=True)))

In [23]: a.foo = '/software/temp/volumecompare.png'

In [25]: a.foo = glob('/software/temp/*.png')
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (3, 0))

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)

/software/temp/nipype-tutorial/temp/<ipython console> in <module>()

/Library/Python/2.6/site-packages/Traits-3.3.1-py2.6-macosx-10.6-universal.egg/enthought/traits/trait_handlers.pyc in validate(self, object, name, value)
   2089             except TraitError:
   2090                pass
-> 2091         return self.slow_validate( object, name, value )
   2092
   2093     def slow_validate ( self, object, name, value ):

/Library/Python/2.6/site-packages/Traits-3.3.1-py2.6-macosx-10.6-universal.egg/enthought/traits/trait_handlers.pyc in slow_validate(self, object, name, value)
   2094         for validate in self.slow_validates:
   2095             try:
-> 2096                return validate( object, name, value )
   2097             except TraitError:
   2098                pass

/Library/Python/2.6/site-packages/Traits-3.3.1-py2.6-macosx-10.6-universal.egg/enthought/traits/trait_types.pyc in validate(self, object, name, value)
   1407             return super( BaseFile, self ).validate( object, name, value )
   1408
-> 1409         if isfile( value ):
   1410             return value
   1411

/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/genericpath.pyc in isfile(path)
     27     """Test whether a path is a regular file"""
     28     try:
---> 29         st = os.stat(path)
     30     except os.error:
     31         return False

TypeError: coercing to Unicode: need string or buffer, list found