So, lets do this. Because otherwise we could put everything in `__init__.py` but we don't do it for some reason, well we know for what reason. See for example SymPy's `__init__.py` here [1]. It may seem an extreme, but you can use almost everything by just typing `from sympy import *`.

[1] https://github.com/sympy/sympy/blob/master/sympy/__init__.py