     }
 
     override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
-        if scaleType == .nonPlusScale && plusRows.contains(indexPath.row) { return 0 }
+        if self.scaleType == .nonPlusScale && plusRows.contains(indexPath.row) { return 0 }
         else { return 60 }
     }
 

            }

            if newLowerBound >= newUpperBound {
                self.presentErrorAlert(title: "Error Saving 💔", message: "Lower bound for grade #\(index + 1) must be less than upper bound")
                return nil
            }

            newPercentages.append(newLowerBound...newUpperBound)
        }

        return newPercentages

    /// The rows which will contain any + or - fields
    private let plusRows = [0, 2, 3, 5, 6,  8, 9, 11]

    /// The realm notifcation token for listening to changes on the GPAScale
    private var notifToken: NotificationToken?

    /// The GradeRubric object which this table manages
    private var rubric: GradeRubric {
        return DatabaseManager.shared.realm.objects(GradeRubric.self).first!
    }

    /// The scale type of the rubric
    private var scaleType: GPAScaleType {
        return DatabaseManager.shared.realm.objects(GPAScale.self).first!.scaleType
    }

    /// The grade percentage views, 1 per cell that the table statically displays
