Log Message:
py-xlsxwriter: updated to 1.3.3

Release 1.3.3

* Added :func:`ignore_errors()` worksheet method to to allow Excel worksheet
  errors/warnings to be ignored in user defined ranges. See also
  :ref:`ex_ignore_errors`.

* Added warning when closing a file more than once via :func:`close()` to help
  avoid errors where a file is closed within a loop or at the wrong scope
  level.