_LoadingScreenState.initState() returned a Future. State.initState()

[henryadebayo]

Exception caught by widgets library =======================================================
The following assertion was thrown building Builder:
_LoadingScreenState.initState() returned a Future.

State.initState() must be a void method without an async keyword.

Rather than awaiting on asynchronous work directly inside of initState, call a separate method to do this work without awaiting it.

The relevant error-causing widget was:
MaterialApp file:///E:/flutter_projects/Clima-Flutter/lib/main.dart:9:12
When the exception was thrown, this was the stack: