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assertion error in _GridSample2dBackward() #623

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Shanthika opened this issue Oct 31, 2023 · 0 comments

Shanthika commented Oct 31, 2023

Im trying to use the grid sampler implemented in stylegan3/torch_utils/ops/grid_sample_gradfix.py"

Im using the following function call:
interp = grid_sample_gradfix.grid_sample(grid,coords )

However I'm getting the following error:
assert_ not ctx.needs_input_grad[2]
AssertionError

Can you please help me with this?

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