1.7.0 has circles on every point

[Haroenv]

This is not visible on the demo, but maybe that's not been updated.

1.6.0	1.7.0
https://codesandbox.io/s/5z0xJlnK	https://codesandbox.io/s/rRw5W9OqE

import React from 'react';
import { Sparklines, SparklinesLine } from 'react-sparklines';

const ActivityGraph = () => (
  <Sparklines
    data={[0, 2, 0, 5, 2, 0, 4, 1, 1, 1, 4, 3, 0]}
    width={100}
    height={15}
  >
    <SparklinesLine color="#2C8EBB" />
  </Sparklines>
)