Doors aren't opening.

HelpMe.cs

using Sandbox.Game.EntityComponents;
using Sandbox.ModAPI.Ingame;
using Sandbox.ModAPI.Interfaces;
using SpaceEngineers.Game.ModAPI.Ingame;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using System.Text;
using System;
using VRage.Collections;
using VRage.Game.Components;
using VRage.Game.GUI.TextPanel;
using VRage.Game.ModAPI.Ingame.Utilities;
using VRage.Game.ModAPI.Ingame;
using VRage.Game.ObjectBuilders.Definitions;
using VRage.Game;
using VRage;
using VRageMath;
using VRage.Audio;

namespace IngameScript
{
    partial class Program : MyGridProgram
    {
        // This file contains your actual script.
        //
        // You can either keep all your code here, or you can create separate
        // code files to make your program easier to navigate while coding.
        //
        // In order to add a new utility class, right-click on your project, 
        // select 'New' then 'Add Item...'. Now find the 'Space Engineers'
        // category under 'Visual C# Items' on the left hand side, and select
        // 'Utility Class' in the main area. Name it in the box below, and
        // press OK. This utility class will be merged in with your code when
        // deploying your final script.
        //
        // You can also simply create a new utility class manually, you don't
        // have to use the template if you don't want to. Just do so the first
        // time to see what a utility class looks like.
        // 
        // Go to:
        // https://github.com/malware-dev/MDK-SE/wiki/Quick-Introduction-to-Space-Engineers-Ingame-Scripts
        //
        // to learn more about ingame scripts.

        List<IMyAirtightHangarDoor> hangars;
        List<IMyDoor> doors;
        public Program()
        {
            Runtime.UpdateFrequency = UpdateFrequency.Update10;

            IMyBlockGroup hangarDoors = GridTerminalSystem.GetBlockGroupWithName("PRXB Hangar Port Entry Doors");
            IMyBlockGroup hangarDoors2 = GridTerminalSystem.GetBlockGroupWithName("PRXB Hangar Starboard Entry Doors");
            List<IMyAirtightHangarDoor> HG1 = new List<IMyAirtightHangarDoor>();
            List<IMyAirtightHangarDoor> HG2 = new List<IMyAirtightHangarDoor>();
            hangarDoors.GetBlocksOfType<IMyAirtightHangarDoor>(HG1);
            hangarDoors2.GetBlocksOfType<IMyAirtightHangarDoor>(HG2);
            HG1.AddRange(HG2);

            //IMyBlockGroup SD1 = GridTerminalSystem.GetBlockGroupWithName("PRXB Port Doors");
            //IMyBlockGroup SD2 = GridTerminalSystem.GetBlockGroupWithName("PRXB Starboard Doors");
            //List<IMyDoor> LSD1 = new List<IMyDoor>();
            //List<IMyDoor> LSD2 = new List<IMyDoor>();
            //SD1.GetBlocksOfType<IMyDoor>(LSD1);
            //SD2.GetBlocksOfType<IMyDoor>(LSD2);
            //LSD1.AddRange(LSD2);

            hangars = HG1;
            //doors = LSD1;
        }

        public void Main(string argument, UpdateType updateSource)
        {
            bool shouldLock = false;
            foreach(var door in hangars)
            {
                door.OpenDoor();
            }
        }
    }
}