exclude tests in packaging

[marijncv]

closes #39

[Pierre-Sassoulas]

Hey thank you for opening a merge request. I'm not sure this is the way to go. Distributing tests is a good practice (even if on package that are downloaded a lot it seems like a big waste of resource seeing almost no one launch the tests). It would be better to modify the architecture so the collision problem disappear (by moving the tests dir inside pysankey for example.)

[Pierre-Sassoulas]

This is the default

Suggested change

where=.

[Pierre-Sassoulas]

Let's include instead.

Suggested change

	exclude = tests*
	include = ["pysankey*"]

We could do this is we want to move the tests dir inside the pysankey directory:

Suggested change

	exclude = tests*
	include = ["pysankey*"]
	exclude = ["pysankey.tests*"]

But removing the tests directory is not consensual, I've been asked to add it on other projects.