class TeamViewModel : ViewModel(), CoroutineScope {
    //...Rest of TeamViewModel
    fun getTeams(): LiveData<List<Team>> {
        if (!::teams.isInitialized) {
            teams = MutableLiveData()
            loadTeams()
        }

        return teams
    }

    //...Rest of TeamViewModel
    private fun loadTeams() {
        launch {
            try {
                isLoading.value = true
                val result = NetworkClient.getTeams(Dispatchers.IO)
                result.await()?.let {
                    showError.value = false
                    teams.value = it
                }
            } catch (e: Exception) {
                showError.value = true
            } finally {
                isLoading.value = false
            }
        }
    }
}