ConnectionError: HTTPSConnectionPool Max retries exceeded

Hi! How I see the limit of requisitions for endpoints? I running a script inserting project roles but after a some requests a receive a error of Max Retries exceeded

The error:
ConnectionError: HTTPSConnectionPool(host=‘sandbox-55.atlassian.net’, port=443): Max retries exceeded with url: /rest/api/2/project/11916/role/10007 (Caused by NameResolutionError(“<urllib3.connection.HTTPSConnection object at 0x000001D10AF423C0>: Failed to resolve ‘sandbox-55.atlassian.net’ ([Errno 11001] getaddrinfo failed)”))