[Numpy-discussion] Problems with list 2 array

[Pierre GM]

Pepe,

> In [56]: array(prob)
> ---------------------------------------------------------------------------
> exceptions.TypeError                                 Traceback (most
> recent call last)
>
> /Users/elventear/Projects/workspace/libSVM Scripts/src/<ipython console>
>
> TypeError: a float is required

Make sure that all the elements of your `prob` list have the same length. If 
not, then numpy can't create an array from your list and raises the exception 
you see.