Vegetable and Sausage Gumbo

Name: Vegetable and Sausage Gumbo
Ingredients: * 1 1/2 lb kielbasa, sliced (i like light or turkey version); * 1 red or orange bell pepper, diced; * 1 green bell pepper, diced; * 1 onion, diced; * 4 stalk celery, sliced; * 1/2 lb okra, sliced (if using frozen, don't thaw); * 3 clove garlic, minced; * 2-3 tsp cajun or creole seasoning (recipe below, or you can use; store bought); * black pepper, to taste; * 1/2 c canola oil; * 1/2 c flour; * 1 (28oz) can diced tomato, with juice; * 3-4c chicken stock