Ruff is used to enforce our code-style for the python parts of the
reposity, similar to clang-tidy for the cpp parts.
This includes a pre-commit hook to format code before it is committed
When "unfixable" - i.e. no autoformatting is available - the commit is
rejected
resolves#812
Change-Id: I6830c2fc29ae86337ec18f2b0e3565fac66c5523
Tom Hubrecht