'tuple' inject jas no attribute '__name__'

Dear all,

Does anyone know what happened with this and what should I do?

Thx,
Aul

Add following line

t2 = openmc.Tally()
t2.filters = [openmc.CellFilter(clad)

Aulia,

You might want to try:

t2_filter = openmc.CellFilter([clad])

That is, make sure the object you’re passing to CellFilter is a list of cells rather than just a single cell.

Best,
Paul