pip install warning: prometheus-fastapi-instrumentator 5.4.0 requires fastapi==0.38.1, but you'll have fastapi 0.61.1 which is incompatible.

[PaulFlanaganGenscape]

Shouldn't it be >=0.38.1 in requirements in pyproject.toml
https://github.com/trallnag/prometheus-fastapi-instrumentator/blob/master/pyproject.toml#L17

See warning at end below

$ pip install -U fastapi
Collecting fastapi
  Using cached fastapi-0.61.1-py3-none-any.whl (48 kB)
Collecting pydantic<2.0.0,>=1.0.0
  Using cached pydantic-1.6.1-cp38-cp38-macosx_10_9_x86_64.whl (2.3 MB)
Collecting starlette==0.13.6
  Using cached starlette-0.13.6-py3-none-any.whl (59 kB)
Installing collected packages: pydantic, starlette, fastapi
  Attempting uninstall: pydantic
    Found existing installation: pydantic 0.32.2
    Uninstalling pydantic-0.32.2:
      Successfully uninstalled pydantic-0.32.2
  Attempting uninstall: starlette
    Found existing installation: starlette 0.12.8
    Uninstalling starlette-0.12.8:
      Successfully uninstalled starlette-0.12.8
  Attempting uninstall: fastapi
    Found existing installation: fastapi 0.38.1
    Uninstalling fastapi-0.38.1:
      Successfully uninstalled fastapi-0.38.1
ERROR: After October 2020 you may experience errors when installing or updating packages. This is because pip will change the way that it resolves dependency conflicts.

We recommend you use --use-feature=2020-resolver to test your packages with the new resolver before it becomes the default.

prometheus-fastapi-instrumentator 5.4.0 requires fastapi==0.38.1, but you'll have fastapi 0.61.1 which is incompatible.
Successfully installed fastapi-0.61.1 pydantic-1.6.1 starlette-0.13.6

[trallnag]

Indeed, good catch. Give me a minute and I'll release a patch

[trallnag]

Fixed in https://github.com/trallnag/prometheus-fastapi-instrumentator/releases/tag/releases%2F5.4.1. Thanks for raising, @PaulFlanaganGenscape