from packaging.version import Version
class StrictVersion:
    def __init__(self, value): self._v=Version(value)
    def __lt__(self,o): return self._v < o._v
    def __le__(self,o): return self._v <= o._v
    def __eq__(self,o): return self._v == o._v
    def __ge__(self,o): return self._v >= o._v
    def __gt__(self,o): return self._v > o._v