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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def copy(self, mutable=False):
 """Return a copy of this GeoRaster with no modifications. Can be use to create a Mutable copy of the GeoRaster"""


        if self.not_loaded():
            _cls = self.__class__
            if mutable:
                _cls = MutableGeoRaster
            return _cls.open(self._filename)

        return self.copy_with(mutable=mutable)