python Pillow(AWS Lambda Custom Layer)

import os
import sys
from PIL import Image
import qrcode

def lambda_handler(event, context):
    try:
        # 環境情報の出力
        print("Python version:", sys.version)
        print("PYTHONPATH:", os.environ.get('PYTHONPATH'))
        print("sys.path:", sys.path)
        
        # qrcode モジュールのパスを確認
        print("qrcode module location:", qrcode.__file__)
        
        # Pillow のテスト
        img = Image.new('RGB', (60, 30), color = (73, 109, 137))
        print("Pillow is working.")
        
        # qrcode のテスト
        qr = qrcode.QRCode(
            version=1,
            error_correction=qrcode.constants.ERROR_CORRECT_L,
            box_size=10,
            border=4,
        )
        qr.add_data('https://example.com')
        qr.make(fit=True)
        img_qr = qr.make_image(fill='black', back_color='white')
        print("qrcode is working.")
        
        return {
            'statusCode': 200,
            'body': 'Both Pillow and qrcode import successful.'
        }
    except Exception as e:
        print("Error:", str(e))
        return {
            'statusCode': 500,
            'body': 'Import failed. Error: ' + str(e)
        }