Удаленный хост принудительно разорвал существующее подключение

from os import listdir
import json
import requests
from time import sleep
 
main_dir = "D:\Dir1\Dir2"
all_files = []
# Помещаю все файлы в список
for dir in listdir(main_dir):
    for file in listdir(main_dir + "\\" + dir):
        full_name = main_dir + "\\" + dir + "\\" + file
        all_files.append(full_name)
 
api_url = 'https://www.virustotal.com/vtapi/v2/file/scan'
params = dict(apikey='API_KEY')
for my_file in all_files:
    with open(my_file, 'rb') as file:
        print(my_file)
        files = dict(file=(my_file, file))
        response = requests.post(api_url, files=files, params=params)
    if response.status_code == 200:
        result = response.json()
        print(json.dumps(result, sort_keys=False, indent=4))
    sleep(15)  # ограничение отправки запросов -- 4 запроса в минуту

# import
from vt import VT
vt = VT()
 
# key management
vt.setkey('___KEY___')
 
# API calls: FILES
vt.scanfile('path/to/file.ext')
 
# Set OUTPUT method:
vt.out('html')
vt.out('print')
vt.out('json')

from __future__ import print_function
import json
import hashlib
from virus_total_apis import PublicApi as VirusTotalPublicApi
 
API_KEY = 'ключ'
 
EICAR = "X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*".encode('utf-8')
EICAR_MD5 = hashlib.md5(EICAR).hexdigest()
 
vt = VirusTotalPublicApi(API_KEY)
 
response = vt.get_file_report(EICAR_MD5)
print(json.dumps(response, sort_keys=False, indent=4))

a = vt.scan_file('/home/usero/Безымянный проект.osp')
response = vt.get_file_report('sha1')