blocking-http-call-httpx-in-async-function (ASYNC212)
Derived from the flake8-async linter.
This rule is unstable and in preview. The --preview
flag is required for use.
What it does
Checks that async functions do not use blocking httpx clients.
Why is this bad?
Blocking an async function via a blocking HTTP call will block the entire event loop, preventing it from executing other tasks while waiting for the HTTP response, negating the benefits of asynchronous programming.
Instead of using the blocking httpx
client, use the asynchronous client.
Example
Use instead: