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* Drop Python 3.3 support, as Python 3.3 is beyond it's end of lfe.
* Correct the flake8 entrypoint to report all ``I`` errors, this may
result in ``I2XX`` errors being reported that were absent
previously.
* Support in-line `` noqa`` comments specifing only the error codes
to be ignored, e.g., `` noqa: I101``.
* Accept only `` noqa`` directives on the line reporting the error,
see limitations.