Quick and Easy Sausage and Chicken Gumbo

Name: Quick and Easy Sausage and Chicken Gumbo
Ingredients: 2 tablespoons all-purpose flour; 1 tablespoon vegetable oil; 1 cup frozen chopped onions; 1 cup frozen green bell peppers; 1 cup frozen cut okra; 1 cup chopped celery; 2 teaspoons garlic, minced; 1 teaspoon Creole seasoning, or to taste; 0.5 teaspoon dried thyme; 0.5 teaspoon cayenne pepper, or to taste; 0.5 teaspoon salt, or to taste; 0.5 teaspoon ground black pepper, or to taste; 1 (3.5 ounce) bag boil-in-bag rice; 2 cups chopped roasted chicken; 8 ounces kielbasa sausage, cut into 1-inch pieces; 1 (14.5 ounce) can diced tomatoes with green peppers and onions; 1 (14.5 ounce) can chicken broth