The zip function in python 3 returns a object

[pmsmall]

In python 2, zip() returns a list, but a object in python 3. python 2:

211 dtype = np.dtype(zip(fieldnames, typenames))

python 3:

211 dtype = np.dtype(list(zip(fieldnames, typenames)))

[yiliu-coding]

Many thanks, helps a lot with one of so many bugs!