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Our python code didn't adhere to any coding standard. In this commit, we add flame8 (https://pypi.org/project/flake8/), and pylint (https://www.pylint.org/). There's couple of exceptions: - ans.py scripts are not checked, nor fixed as part of this MR - pylint's missing-*-docstring and duplicate-code checks have been disabled via .pylintrc Both exceptions should be removed in due time.
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