@property
    def speeds(self):
        if sympy_equal_to_or_newer_than('0.7.6'):
            return self.eom_method.u[:]
        else:
            return self.eom_method._u
Test that a torch in an open container lights up a location.
dataset/ETHPy150Open pydy/pydy/pydy/system.py/System.speeds--crossover with--dataset/ETHPy150Open twisted/imaginary/imaginary/test/test_illumination.py/DarknessTestCase.testHeldLightSource