[PYTHON] What to do if you get a TypeError with numpy min, max

x_min, x_max = X[:, 0].min - 0.5, X[:, 0].max + 0.5

TypeError Traceback (most recent call last) in () ----> 1 x_min, x_max = X[:, 0].min - 0.5, X[:, 0].max + 0.5

TypeError: unsupported operand type(s) for -: 'builtin_function_or_method' and 'float'

x_min, x_max = X[:, 0].min() - 0.5, X[:, 0].max() + 0.5

The error has disappeared.

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