// Make the light a directional light
light.type = LightType.Directional;

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Awake() {
light.type = LightType.Directional;
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Awake():
light.type = LightType.Directional