我一直收到这个错误信息，我重新安装了我的ubuntu系统来纠正它，但它似乎不工作。
代码:
from pymongo import MongoClient
只安装pymongo包
我在Anaconda中启动一个新环境和在本地安装的python中得到相同的错误。
Python版本3.8.10
错误信息:
谁有解决办法?
AttributeError Traceback (most recent call last)
<ipython-input-1-4aaffd5c9f5f> in <module>
----> 1 from pymongo import MongoClient
~/.local/lib/python3.8/site-packages/pymongo/__init__.py in <module>
90 from pymongo.common import MAX_SUPPORTED_WIRE_VERSION, MIN_SUPPORTED_WIRE_VERSION
91 from pymongo.cursor import CursorType
---> 92 from pymongo.mongo_client import MongoClient
93 from pymongo.operations import (
94 DeleteMany,
~/.local/lib/python3.8/site-packages/pymongo/mongo_client.py in <module>
57 from bson.son import SON
58 from bson.timestamp import Timestamp
---> 59 from pymongo import (
60 _csot,
61 client_session,
~/.local/lib/python3.8/site-packages/pymongo/uri_parser.py in <module>
30 )
31 from pymongo.errors import ConfigurationError, InvalidURI
---> 32 from pymongo.srv_resolver import _HAVE_DNSPYTHON, _SrvResolver
33 from pymongo.typings import _Address
34
~/.local/lib/python3.8/site-packages/pymongo/srv_resolver.py in <module>
19
20 try:
---> 21 from dns import resolver
22
23 _HAVE_DNSPYTHON = True
~/.local/lib/python3.8/site-packages/dns/resolver.py in <module>
36 import dns.message
37 import dns.name
---> 38 import dns.query
39 import dns.rcode
40 import dns.rdataclass
~/.local/lib/python3.8/site-packages/dns/query.py in <module>
50 _have_http2 = False
51 try:
---> 52 import httpx
53 _have_httpx = True
54 try:
~/.local/lib/python3.8/site-packages/httpx/__init__.py in <module>
1 from .__version__ import __description__, __title__, __version__
----> 2 from ._api import delete, get, head, options, patch, post, put, request, stream
3 from ._auth import Auth, BasicAuth, DigestAuth
4 from ._client import USE_CLIENT_DEFAULT, AsyncClient, Client
5 from ._config import Limits, Proxy, Timeout, create_ssl_context
~/.local/lib/python3.8/site-packages/httpx/_api.py in <module>
2 from contextlib import contextmanager
3
----> 4 from ._client import Client
5 from ._config import DEFAULT_TIMEOUT_CONFIG
6 from ._models import Response
~/.local/lib/python3.8/site-packages/httpx/_client.py in <module>
27 from ._transports.asgi import ASGITransport
28 from ._transports.base import AsyncBaseTransport, BaseTransport
---> 29 from ._transports.default import AsyncHTTPTransport, HTTPTransport
30 from ._transports.wsgi import WSGITransport
31 from ._types import (
~/.local/lib/python3.8/site-packages/httpx/_transports/default.py in <module>
28 from types import TracebackType
29
---> 30 import httpcore
31
32 from .._config import DEFAULT_LIMITS, Limits, Proxy, create_ssl_context
~/.local/lib/python3.8/site-packages/httpcore/__init__.py in <module>
----> 1 from ._api import request, stream
2 from ._async import (
3 AsyncConnectionInterface,
4 AsyncConnectionPool,
5 AsyncHTTP2Connection,
~/.local/lib/python3.8/site-packages/httpcore/_api.py in <module>
3
4 from ._models import URL, Response
----> 5 from ._sync.connection_pool import ConnectionPool
6
7
~/.local/lib/python3.8/site-packages/httpcore/_sync/__init__.py in <module>
----> 1 from .connection import HTTPConnection
2 from .connection_pool import ConnectionPool
3 from .http11 import HTTP11Connection
4 from .http_proxy import HTTPProxy
5 from .interfaces import ConnectionInterface
~/.local/lib/python3.8/site-packages/httpcore/_sync/connection.py in <module>
11 from ..backends.sync import SyncBackend
12 from ..backends.base import NetworkBackend, NetworkStream
---> 13 from .http11 import HTTP11Connection
14 from .interfaces import ConnectionInterface
15
~/.local/lib/python3.8/site-packages/httpcore/_sync/http11.py in <module>
42
43
---> 44 class HTTP11Connection(ConnectionInterface):
45 READ_NUM_BYTES = 64 * 1024
46
~/.local/lib/python3.8/site-packages/httpcore/_sync/http11.py in HTTP11Connection()
138
139 def _send_event(
--> 140 self, event: h11.Event, timeout: Optional[float] = None
141 ) -> None:
142 bytes_to_send = self._h11_state.send(event)
AttributeError: module 'h11' has no attribute 'Event'
找到解决方案:
pip install——force- install httpcore==0.15
修复错误