null-aware warning while building the app

[NaingMyoThawNMYT]

../../../Applications/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_datetime_picker-1.5.1/lib/flutter_datetime_picker.dart:311:32: Warning: Operand of null-aware operation '??' has type 'Color' which excludes null.

• 'Color' is from 'dart:ui'.
  color: theme.backgroundColor ?? Colors.white,

[johnyK]

same here

[ryufitreet]

+1 with same error

[bigtotorouk]

same error

[rsbthebest]

same here

[YuriHeiko]

#244 #241 #239 #238

[santiago21ag]

sad!

[tushardubey121]

Same here

[DevTiago]

Same.. any development on this issue?