How to change stroke color in pygal?
<p>How to set one to red and second to blue?</p>

<pre><code>import pygal

chart = pygal.Line()

chart.x_labels = range(5)
chart.add('one', [1, None, 3, None, 5])
chart.add('two', range(5))

chart.render_to_png(__file__ + '-linear.png')
</code></pre>