E302 expected 2 blank lines, found 0
Note that issues are still flagged, due to the use of docstrings as
multi-lines comments. This will be addressed separately.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>