BMI计算器包含条件语句错误

def calculate_bmi(weight, height):
    return weight / (height ** 2)

def bmi_category(bmi):
    if bmi < 18.5:
        return "Underweight"
    elif 18.5 <= bmi < 24.9:
        return "Normal weight"
    elif 25 <= bmi < 29.9:
        return "Overweight"
    else:
        return "Obesity"

weight = float(input("Enter your weight in kilograms: "))
height = float(input("Enter your height in meters: "))

bmi = calculate_bmi(weight, height)
category = bmi_category(bmi)

print(f"Your BMI is {bmi:.2f}, which is categorized as {category}.")