def __sub__(self, other: Any) -> float:
    '\n        Used heavily for assertAlmostEqual.\n        '
    if (not isinstance(other, float)):
        raise TypeError('Metrics.__sub__ is intentionally limited to floats.')
    return (self.value() - other)
Used heavily for assertAlmostEqual.
def __sub__(self, other: Any) -> float:
    '\n        \n        '
    if (not isinstance(other, float)):
        raise TypeError('Metrics.__sub__ is intentionally limited to floats.')
    return (self.value() - other)