Test fails due to "SSL: CA_MD_TOO_WEAK" error

$ PYTHONPATH=. python -munittest test/asyncio_tests/test_asyncio_change_stream.py 

Traceback (most recent call last):

 File "/src/motor/test/test_environment.py", line 152, in setup_sync_cx

 client = connected(pymongo.MongoClient(

 File "/src/motor/test/test_environment.py", line 77, in connected

 client.admin.command('ismaster') # Force connection.

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/database.py", line 736, in command

 with self.__client._socket_for_reads(

 File "/usr/lib/python3.9/contextlib.py", line 117, in __enter__

 return next(self.gen)

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/mongo_client.py", line 1325, in _socket_for_reads

 server = self._select_server(read_preference, session)

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/mongo_client.py", line 1278, in _select_server

 server = topology.select_server(server_selector)

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/topology.py", line 241, in select_server

 return random.choice(self.select_servers(selector,

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/topology.py", line 199, in select_servers

 server_descriptions = self._select_servers_loop(

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/topology.py", line 215, in _select_servers_loop

 raise ServerSelectionTimeoutError(

pymongo.errors.ServerSelectionTimeoutError: SSL handshake failed: localhost:27017: EOF occurred in violation of protocol (_ssl.c:1129), Timeout: 0.1s, Topology Description: <TopologyDescription id: 60be4a765b1b6f675e55c773, topology_type: Single, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('SSL handshake failed: localhost:27017: EOF occurred in violation of protocol (_ssl.c:1129)')>]>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/ssl_support.py", line 128, in get_ssl_context

 ctx.load_cert_chain(certfile, keyfile, passphrase)

ssl.SSLError: [SSL: CA_MD_TOO_WEAK] ca md too weak (_ssl.c:4044)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

 File "/usr/lib/python3.9/runpy.py", line 197, in _run_module_as_main

 return _run_code(code, main_globals, None,

 File "/usr/lib/python3.9/runpy.py", line 87, in _run_code

 exec(code, run_globals)

 File "/usr/lib/python3.9/unittest/__main__.py", line 18, in <module>

 main(module=None)

 File "/usr/lib/python3.9/unittest/main.py", line 100, in __init__

 self.parseArgs(argv)

 File "/usr/lib/python3.9/unittest/main.py", line 147, in parseArgs

 self.createTests()

 File "/usr/lib/python3.9/unittest/main.py", line 158, in createTests

 self.test = self.testLoader.loadTestsFromNames(self.testNames,

 File "/usr/lib/python3.9/unittest/loader.py", line 220, in loadTestsFromNames

 suites = [self.loadTestsFromName(name, module) for name in names]

 File "/usr/lib/python3.9/unittest/loader.py", line 220, in <listcomp>

 suites = [self.loadTestsFromName(name, module) for name in names]

 File "/usr/lib/python3.9/unittest/loader.py", line 154, in loadTestsFromName

 module = __import__(module_name)

 File "/src/motor/test/__init__.py", line 21, in <module>

 from test.test_environment import env, db_user, CLIENT_PEM

 File "/src/motor/test/test_environment.py", line 341, in <module>

 env.setup()

 File "/src/motor/test/test_environment.py", line 137, in setup

 self.setup_sync_cx()

 File "/src/motor/test/test_environment.py", line 165, in setup_sync_cx

 client = connected(pymongo.MongoClient(

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/mongo_client.py", line 691, in __init__

 self.__options = options = ClientOptions(

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/client_options.py", line 161, in __init__

 self.__pool_options = _parse_pool_options(options)

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/client_options.py", line 131, in _parse_pool_options

 ssl_context, ssl_match_hostname = _parse_ssl_options(options)

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/client_options.py", line 98, in _parse_ssl_options

 ctx = get_ssl_context(

 File "/src/nnis/v/lib/python3.9/site-packages/pymongo/ssl_support.py", line 130, in get_ssl_context

 raise ConfigurationError(

pymongo.errors.ConfigurationError: Private key doesn't match certificate: [SSL: CA_MD_TOO_WEAK] ca md too weak (_ssl.c:4044)

(v) dev:~/src/motor$