def insert(self, x, y):
        for bx, by in self.nearby(x, y):
            if self.r < hypot(x - bx, y - by):
                return False
        i, j = self.normalize(x, y)
        self.cells[(i, j)] = (x, y)
        return True
dataset/ETHPy150Open fogleman/pg/pg/poisson.py/Grid.insert/swapped operands of `<`