Iam deactivate dormant init

iam-deactivate-init.py

import json
import boto3
from datetime import datetime
from datetime import timedelta
from botocore.exceptions import ClientError
import requests
import os

date_now = datetime.now() 
iam_client = boto3.client('iam')
iam_resource = boto3.resource('iam')
max_idle_days = 90
max_items = 50

def lambda_handler(event, context):
    try:
        res_users = iam_client.list_users(
        MaxItems=max_items
        )
        for user in res_users['Users']:
            check_login_profile(user)
            check_access_keys(user)
    except ClientError as error:
        print('An error occurred while fetching user list.', error)

    if res_users['IsTruncated']:
        while res_users['IsTruncated']:
            marker = res_users['Marker']
            try:
                res_users = iam_client.list_users(Marker=marker,MaxItems=max_items)
                for user in res_users['Users']:
                    check_login_profile(user)
                    check_access_keys(user)
            except ClientError as error:
                print('An error occurred while fetching user list.', error)