When an API exception is happening the exception should be caught in catch block is it?

`
fun invoke(
scope: CoroutineScope,
params: Params?,
onResult: (UseCaseResponse)
) {
val backgroundJob = scope.async {
run(params)
}
scope.launch {
backgroundJob.await().let {
try {

Is your feature request related to a problem? Please describe.
Currently, the parse method in the LiveDataHandler method takes in a non-nullable function parameter, this should be edited to take in a nullable function.

Describe the solution you'd like
The parse method should be able to take in a non-nullable function or it should have a default empty function.

**Describe alternativ