问AWS :无法从使用get_item的lambda中的dynamodb获取数据

EN

{'ResponseMetadata': {'RequestId': 'XXXXXXXXXXXXXXXXXXXXX', 'HTTPStatusCode': 200, 'HTTPHeaders': {'server': 'Server', 'date': 'Mon, 28 Feb 2022 01:19:00 GMT', 'content-type': 'application/x-amz-json-1.0', 'content-length': '2', 'connection': 'keep-alive', 'x-amzn-requestid': 'XXXXXXXXXXXXXXXXXX', 'x-amz-crc32': 'XXXXXXXXX'}, 'RetryAttempts': 0}}

import json
import boto3
import botocore

dynamodb = boto3.client("dynamodb")

def get_dict(primary_key):
    print("primary_key:",primary_key)
    dynamodb = boto3.resource("dynamodb", region_name="eu-west-3")
    table = dynamodb.Table("mydynamoname")
    response = table.get_item(Key={"creation_file_date": primary_key})
    print(response)
    return response

def lambda_handler(event, context):
    form_dict = get_dict(event["report_id"])
    print(form_dict)
    return {
        'statusCode': 200,
        'body': json.dumps(form_dict)
    }