qol improvement

Signed-off-by: Hao Wu <skyw@nvidia.com>

Author: skyw

emerging_optimizers/soap/soap.py

@@ -698,7 +698,7 @@ def step(self, closure: Callable[[], float] | None = None) -> float | None:
             for group in self.param_groups:
                 for p in group["params"]:
                     if p.grad is None:
-                        continue
+                        continue  # pragma: no cover
                     data, grad = p.data, p.grad
                     saved.append((p, data, grad))
                     p.data = _stack_2d(data)