* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

어디서 무얼 놓쳤는지 모르겠는데

dnspython과 pymongo를 pip install했습니다. 그런데 아래와 같은 에러 메세지로 나타나더라고요...

$ "c:/Users/jmmas/OneDrive/spartan cording/venv/Scripts/python.exe" "c:/Users/jmmas/OneDrive/spartan cording/pythonprac/dbprac.py"

Traceback (most recent call last):

 File "c:/Users/jmmas/OneDrive/spartan cording/pythonprac/dbprac.py", line 6, in <module>

  db.users.insert_one(doc)

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\collection.py", line 628, in insert_one

  self._insert_one(

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\collection.py", line 569, in _insert_one

  self.__database.client._retryable_write(acknowledged, _insert_command, session)  

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\mongo_client.py", line 1475, in _retryable_write

  with self._tmp_session(session) as s:

 File "C:\Users\jmmas\AppData\Local\Programs\Python\Python38\lib\contextlib.py", line 113, in __enter__

  return next(self.gen)

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\mongo_client.py", line 1757, in _tmp_session

  s = self._ensure_session(session)

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\mongo_client.py", line 1740, in _ensure_session

  return self.__start_session(True, causal_consistency=False)

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\mongo_client.py", line 1685, in __start_session

  self._topology._check_implicit_session_support()

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\topology.py", line 538, in _check_implicit_session_support

  self._check_session_support()

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\topology.py", line 554, in _check_session_support

  self._select_servers_loop(

 File "C:\Users\jmmas\OneDrive\spartan cording\venv\lib\site-packages\pymongo\topology.py", line 238, in _select_servers_loop

  raise ServerSelectionTimeoutError(

pymongo.errors.ServerSelectionTimeoutError: ac-ygwdtwr-shard-00-01.b5yz26h.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has 

expired (_ssl.c:1124),ac-ygwdtwr-shard-00-02.b5yz26h.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124),ac-ygwdtwr-shard-00-00.b5yz26h.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124), Timeout: 30s, Topology Description: <TopologyDescription id: 63fedcddbbe620be20dd5359, topology_type: ReplicaSetNoPrimary, servers: [<ServerDescription ('ac-ygwdtwr-shard-00-00.b5yz26h.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-ygwdtwr-shard-00-00.b5yz26h.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>, <ServerDescription ('ac-ygwdtwr-shard-00-01.b5yz26h.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-ygwdtwr-shard-00-01.b5yz26h.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>, <ServerDescription ('ac-ygwdtwr-shard-00-02.b5yz26h.mongodb.net', 27017) server_type: Unknown, 

rtt: None, error=AutoReconnect('ac-ygwdtwr-shard-00-02.b5yz26h.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>]>

(venv) 

jmmas@DESKTOP-DT3OTEF MINGW64 ~/OneDrive/spartan cording

$