Dear All,
I've found a problem using Python 3.
On AxisItem, if the "stopAxisAtTick" is set to true, on the method 'generateDrawSpecs', a 'None' value may be put inside the 'tickPositions' list... then the line:
stop = max(span[0].y(), min(map(min, tickPositions)))
will crash on Python3.
Regards.