@classmethod
    def from_param(cls, arg):
        return cls(arg)
Validates that all items in the list are of the correct type.
dataset/ETHPy150Open viblo/pymunk/dump/vec2d_bench.py/Vec2d.from_param--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/__init__.py/ListProperty.validate_list_contents