[Python] Cannot import 'WebClient' and 'SlackApiError' from slack_sdk in Python

I'm trying to send a message to Slack using Python and the slack_sdk library, but I'm getting an import error.

from slack_sdk import WebClient
from slack_sdk.errors import SlackApiError


The IDE (VS Code) is underlining both WebClient and SlackApiError with a warning. I've already installed the package using:

pip install slack_sdk


My environment:

Python 3.11
VS Code
slack_sdk version 3.26.1 (installed via pip)
Virtual environment active


I have verified that the package is installed correctly. Why am I getting this warning, and how can I fix it?

Any help would be appreciated!

What I've tried:

• Restarting VS Code
• Reinstalling the package
• Checking spelling and import paths

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