space casting fails for lower dimensional arrays
In [26]: x = rg_space((6,6))
In [27]: x.cast(np.arange(6)) Out[27]: <distributed_data_object> array([ 0., 1., 2., 3., 4., 5.])
See 1167 in nifty_core.py
In [26]: x = rg_space((6,6))
In [27]: x.cast(np.arange(6)) Out[27]: <distributed_data_object> array([ 0., 1., 2., 3., 4., 5.])
See 1167 in nifty_core.py