apptools, futures, numpy, scimath are core dependencies

[rahulporuri]

apptools is a core dependency on codetools but is not listed as one in the package __requires__. See

codetools/codetools/contexts/data_context.py

Line 18 in 042e701

from apptools import sweet_pickle

codetools/codetools/contexts/geo_context.py

Line 5 in 042e701

from scimath.units.api import UnitArray

codetools/codetools/execution/async_executing_context.py

Lines 13 to 14 in 042e701

	from concurrent.futures import Executor, Future
	from concurrent.futures import ThreadPoolExecutor

codetools/codetools/__init__.py

Lines 9 to 12 in 042e701

	__requires__ = [
	'six',
	'traits',
	]

[itziakos]

I think that codetools is of a group of almost independent sub-packages so I would not think that dependencies in the context submodule are part of the core dependencies that should be part of the setup.py. I think that the dependencies of each sub-package should be captures in a extras