@gdementen Looking at other libraries, it sounds more usual to avoid from .... import * and to put __all__ lists in __init__ files (see xarray for example: https://github.com/pydata/xarray/search?q=__all__&unscoped_q=__all__)

Currently, when you do

from larray import *

you import a lot of stuff from util/misc.py that should be only for internal use.