def zero_grad
import bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend as TensorBackwardimport Base
931# Empties every gradient slot, like PyTorch's zero_grad(set_to_none=True).
932def zero_grad(tape: Tape) -> Tape:
933 Tape{entries} = tape
934 Tape{cleared(entries)}