Error when data length is 1

[hsynaksu]

Hi there! Great library

Only issue I have is when length of the data map is only 1, my layout shifts weirdly and I get this error:

Exception caught by rendering library
The following assertion was thrown during paint():
Offset argument contained a NaN value.
'dart:ui/painting.dart':
Failed assertion: line 38: ''

Either the assertion indicates an error in the framework itself, or we should provide substantially more information in this error message to help you determine and fix the underlying cause.
In either case, please report this assertion by filing a bug on GitHub:
https://github.com/flutter/flutter/issues/new?template=BUG.md

The relevant error-causing widget was
AnimatedLineChart-[#5c159]
lib\…\anomaly_tag_screens\wristbands_screen.dart:190
When the exception was thrown, this was the stack
#2 _offsetIsValid (dart:ui/painting.dart:38:10)
#3 Canvas.drawCircle (dart:ui/painting.dart:3643:12)
#4 ChartPainter._drawLines.. (package:fl_animated_linechart/chart/animated_line_chart.dart:351:40)
#5 List.forEach (dart:core-patch/growable_array.dart:285:8)
#6 ChartPainter._drawLines. (package:fl_animated_linechart/chart/animated_line_chart.dart:351:18)
...
The following RenderObject was being processed when the exception was fired: RenderCustomPaint#996d4
RenderObject: RenderCustomPaint#996d4
parentData: (can use size)
constraints: BoxConstraints(w=330.0, h=229.5)
size: Size(330.0, 229.5)

[happyphper]

+1

It would be nice if you could create a pull request that handles this case