[Python] How to import nested modules with uv

I am managing a project with uv. My project includes

- src
- app.py
- constants.py
- notebooks
- testing.ipynb
- pyproject.toml


where my pyproject.toml file is

[project]
name = "benchmark-extractor"
version = "0.1.0"
description = "Add your description here"
readme = "README.md"
requires-python = ">=3.13"
dependencies = [
"anthropic>=0.42.0",
"ipykernel>=6.29.5",
"markitdown>=0.0.1a3",
"pandera>=0.22.1",
"tabula-py>=2.10.0",
]


I want to import files app.py and constants.py into notebooks/testing.ipynb, for experimentation purposes. When I do this naively, e.g., import src.app, I get a "ModuleNotFoundError".

I believe I could approach this using uv pip install -e . (e.g., Sibling package imports), but when I try that, I get

ERROR: Package 'benchmark-extractor' requires a different Python: 3.11.3 not in '>=3.13'
​

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