There is no need to use == True/False

[actopozipc]

Everytime you write something like
expression == True

, you could just write expression, because it is already an object of type bool. For example, kdelta.py in line 449:

if printing == True:

Instead, do

if printing:

On the contrary, python offers the not keyword, a boolean operator to invert a value. Instead of

if config.space_time == False and spatial is None:

in kdelta.py line 489, you can do

if not config.space_time and spatial is None:

I dont know or think that it makes a difference performance-wise, but it hurts my head if I have to read something like this in open source.