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AttributeError: np.float_ was removed in the NumPy 2.0 release. Use np.float64 instead.

Not confirmed yet · posted

Cause

NumPy 2.0 expired dozens of legacy aliases (float_, complex_, NaN, Inf, unicode_...) from the main namespace; numpy's module __getattr__ raises for each one.

Fix

risk: low

ruff check --select NPY201 --fix .    # rewrites the removed aliases in your code (fix verified on ruff 0.17)# by hand: np.float_ -> np.float64, np.complex_ -> np.complex128, np.NaN -> np.nan,# np.Inf -> np.inf, np.unicode_ -> np.str_

Don’t try

replace np.float_ with np.float — np.float was already removed in NumPy 1.24 (module 'numpy' has no attribute 'float'); use np.float64 or the builtin float.

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