Unable to use this package

[alex4200]

I tried to use this package in the following way:

import nbt
nbtfile = nbt.NBTFile("r.1.1.mca",'rb')

but got an error

AttributeError: module 'nbt' has no attribute 'NBTFile'

Maybe I need to install this package? If so, how?

[matcool]

It's now nbt.nbt.NBTFile