notifyDataSetChanged() crash when datapoint is highlighted in LineChartView

[MEnnabah]

• I've read, understood, and done my best to follow the *CONTRIBUTING guidelines.

What did you do?

1- Create LineChartView object.
2- Set its data, and notifyDataSetChanged()
3- Select a data point on the LineChartView.
4- Set its data with empty LineChartData this time, like this: LineChartData.init(dataSets: [])
5- notifyDataSetChanged()

What did you expect to happen?

No crash because of empty LineChartData

What happened instead?

Crash

Charts Environment

Charts version/Branch/Commit Number:
Latest
Xcode version:
10.1
Swift version:
4.2
Platform(s) running Charts:
iOS

[MEnnabah]

Just call clear() on the ChartView