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Detach tensor in gen_candidates_scipy to avoid test failure due to new warning #2797

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Detach tensor in gen_candidates_scipy to avoid test failure due to new warning #2797

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4 changes: 2 additions & 2 deletions botorch/generation/gen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -205,7 +205,7 @@ def f_np_wrapper(x: npt.NDArray, f: Callable):
if initial_conditions.dtype != torch.double:
msg += " Consider using `dtype=torch.double`."
raise OptimizationGradientError(msg, current_x=x)
fval = loss.item()
fval = loss.detach().item()
return fval, gradf

else:
Expand All @@ -215,7 +215,7 @@ def f_np_wrapper(x: npt.NDArray, f: Callable):
with torch.no_grad():
X_fix = fix_features(X=X, fixed_features=fixed_features)
loss = f(X_fix).sum()
fval = loss.item()
fval = loss.detach().item()
return fval

if nonlinear_inequality_constraints:
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