ARGH,.. I see the bug:
should be:
or
(both do the same)
=> will fix
A2 = A2QTGMC(preset="slow", ediThreads=2, FPSDivisor=2))
A2 = QTGMC(A2,preset="fast", ediThreads=2, FPSDivisor=2)
A2 = A2.QTGMC(preset="fast", ediThreads=2, FPSDivisor
=> will fix