DB생성에서 어려움을 겪고있습니다

from pymongo import MongoClient
client = MongoClient('mongodb+srv://test:<sparta>@cluster0.dfmgkva.mongodb.net/?retryWrites=true&w=majority')
db = client.dbsparta

doc = {
    'name':'bob',
    'age':27
}

db.users.insert_one(doc)

작성한 코드 및 에러 메세지

C:\Users\준수\AppData\Local\Programs\Python\Python38\python.exe C:\Users\준수\Desktop\sparta\pythonprac\dbprac.py 
Traceback (most recent call last):
 File "C:\Users\준수\Desktop\sparta\pythonprac\dbprac.py", line 10, in <module>
  db.users.insert_one(doc)
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\collection.py", line 628, in insert_one
  self._insert_one(
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\collection.py", line 569, in _insert_one
  self.__database.client._retryable_write(acknowledged, _insert_command, session)
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\mongo_client.py", line 1475, in _retryable_write
  with self._tmp_session(session) as s:
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\contextlib.py", line 113, in __enter__
  return next(self.gen)
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\mongo_client.py", line 1757, in _tmp_session
  s = self._ensure_session(session)
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\mongo_client.py", line 1740, in _ensure_session
  return self.__start_session(True, causal_consistency=False)
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\mongo_client.py", line 1685, in __start_session
  self._topology._check_implicit_session_support()
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\topology.py", line 538, in _check_implicit_session_support
  self._check_session_support()
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\topology.py", line 554, in _check_session_support
  self._select_servers_loop(
 File "C:\Users\준수\AppData\Local\Programs\Python\Python38\lib\site-packages\pymongo\topology.py", line 238, in _select_servers_loop
  raise ServerSelectionTimeoutError(
pymongo.errors.ServerSelectionTimeoutError: ac-9edfmmj-shard-00-01.dfmgkva.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124),ac-9edfmmj-shard-00-00.dfmgkva.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124),ac-9edfmmj-shard-00-02.dfmgkva.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124), Timeout: 30s, Topology Description: <TopologyDescription id: 63b2e55eec9cc8b63be1e4d7, topology_type: ReplicaSetNoPrimary, servers: [<ServerDescription ('ac-9edfmmj-shard-00-00.dfmgkva.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-9edfmmj-shard-00-00.dfmgkva.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>, <ServerDescription ('ac-9edfmmj-shard-00-01.dfmgkva.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-9edfmmj-shard-00-01.dfmgkva.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>, <ServerDescription ('ac-9edfmmj-shard-00-02.dfmgkva.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-9edfmmj-shard-00-02.dfmgkva.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>]>

종료 코드 1(으)로 완료된 프로세스