anchor.diff:  
     void fetchSpotTypes() async {
       _isLoading = true;
  +    selected_spots = 0;
       _error = null;
       notifyListeners();
   
  
positive.code:   /// TODO: make sure to remove any lots the user has selected and are no longer available
    void fetchParkingLots() async {
      _isLoading = true;
      _error = null;
      notifyListeners();
  
  
negative.code:   ParkingDataProvider() {
      ///DEFAULT STATES
      _isLoading = false;
  
      _parkingService = ParkingService();
      _spotTypesService = SpotTypesService();
  