Remove use of six

[matthewfeickert]

Feature details

MadAnalysis5 is Python 3+ only and requiring

madanalysis5/bin/ma5

Lines 50 to 56 in 3900ec9

	# Checking that the 'six' package is present
	if not importlib.util.find_spec("six"):
	sys.exit(
	'The python "six" module is not found on your system and it is required for MadAnalysis 5 for '
	+ "a question of Python 2/3 compatibility. Please install it with the following command:\n"
	+ "pip install six"
	)

and using six

$ git grep "import six" | wc -l
32

is not needed.

Implementation

Use 2to3 and ruff (https://github.com/astral-sh/ruff).

How important would you say this feature is?

1: Not important. Would be nice to have.

Additional information

No response