warning after flutter 3.0

[SainathChallagundla]

/C:/Users/Bala/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/textfield_tags-2.0.0+1/lib/src/controller.dart:86:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.

• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/Users/Bala/flutter/packages/flutter/lib/src/widgets/binding.dart').
  package:flutter/…/widgets/binding.dart:1
  WidgetsBinding.instance!.addPostFrameCallback((_) {

after switched to flutter 3.0 and textfield_tags 2.0.0+1 getting this warning.

[minhdanh]

Seeing this warning as well

[Deltap3]

I have this problem aswell and this is my PR to fix it ;) #59

[eyoeldefare]

Thanks @Deltap3 for the PR. I will merge this soon.