cannot import name 'ParamSpec' from 'typing_extensions' - #4877
Description
First Check
- I added a very descriptive title to this issue.
- I used the GitHub search to find a similar issue and didn't find it.
- I searched the FastAPI documentation, with the integrated search.
- I already searched in Google "How to X in FastAPI" and didn't find any information.
- I already read and followed all the tutorial in the docs and didn't find an answer.
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Commit to Help
- I commit to help with one of those options 👆
Example Code
from fastapi import routingDescription
On importing routing from Fast API in the starlette.datastructures concurrency package, -> from typing_extension import ParamSpec is giving the following error.
from fastapi import Body, FastAPI, HTTPException File "/usr/local/lib/python3.8/site-packages/fastapi/__init__.py", line 7, in <module> from .applications import FastAPI as FastAPI File "/usr/local/lib/python3.8/site-packages/fastapi/applications.py", line 4, in <module> from fastapi import routing File "/usr/local/lib/python3.8/site-packages/fastapi/routing.py", line 22, in <module> from fastapi.datastructures import Default, DefaultPlaceholder File "/usr/local/lib/python3.8/site-packages/fastapi/datastructures.py", line 3, in <module> from starlette.datastructures import URL as URL # noqa: F401 File "/usr/local/lib/python3.8/site-packages/starlette/datastructures.py", line 8, in <module> from starlette.concurrency import run_in_threadpool File "/usr/local/lib/python3.8/site-packages/starlette/concurrency.py", line 10, in <module> from typing_extensions import ParamSpec ImportError: cannot import name 'ParamSpec' from 'typing_extensions' (/usr/local/lib/python3.8/site-packages/typing_extensions.py)
Operating System
Linux
Operating System Details
NAME="Ubuntu"
VERSION="21.04 (Hirsute Hippo)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 21.04"
VERSION_ID="21.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=hirsute
UBUNTU_CODENAME=hirsute
FastAPI Version
Cannot check version name since I cannot import fastapi, ran pip install
Python Version
3.8
Additional Context
I am running the Fast API code from within a cog docker. I saw starlette was updated in the new fastapi release and was wondering if the issue is from the update, since last week this was working in another colleagues system when he ran directly.