Assign to Series slice of a Panel
p = Panel(ones((2, 5, 4)), items=['Item1', 'Item2'], major_axis=date_range('1/1/2000', periods=5), minor_axis=['A', 'B', 'C', 'D'])
x = Series([2, 3, 4, 5], index=p.minor_axis)

p.ix[0, 0] = 4  # works
p.ix[0, 0, :] = x # works
p.ix[0, 0] = x # doesn't work

pandas.version.version
'0.10.1'
