Pie chart on dashboard disappears with many languages

[alanhamlett]

@HackerWand writes,

When I use too many languages, the pie chart on the panel disappears

[BaksiLi]

I came from #132 by @AlexandruBuhai, since that one is closed.

For those who seek for a better Pie chart, you can try my little python program Visualize WakaTime Statistics on GitHub Gist.

It is also interactive, and a lot fancier than the default ones.