replace autopep8 mention with black
@@ -11,7 +11,8 @@ developing RDFLib code.
Please be as Pythonic as possible (:pep:`8`).
-Code will occasionally be auto-formatted using ``autopep8`` - you can also do this yourself.
+Code should be formatted using `black <https://github.com/psf/black>`_.
+While not yet mandatory it will be required in the future.
Any new functionality being added to RDFLib should have doc tests and
unit tests. Tests should be added for any functionality being changed
