[Bug] fastapi plugin can not show the 404 as error

[katelei6]

Search before asking

• I had searched in the issues and found no similar issues.

Apache SkyWalking Component

Python Agent (apache/skywalking-python)

What happened

when i request the wrong url, the ui show green, and not show this is an error.

What you expected to happen

the other plugin is show the error, and the red line.

How to reproduce

the other plugin is show the error, and the red line.

I add a pull request to fix the bug:
apache/skywalking-python#187

Anything else

apache/skywalking-python#187

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct