It seems this issue was raised in #52451, the solution that was implemented involves checking if np.intc is not np.int32. This check returns True, meaning that np.intc is mapped to Int64Factorizer. It appears that this check no longer works as intended, or it is not robust enough. A...
Lattices are multi-dimensional interpolated look-up tables, meaning they are points evenly distributed in space (like a grid), along with function values at these points. According to the Google AI Blog: “…the look-up table values are trained to minimize the loss on the training examples, ...