pipenv Version 2022.9.24-r1 doesn't install/link (?) all dependencies. Reproducible: Always Steps to Reproduce: 1.pipenv install httpx 2.pipenv run python -c "import httpx" Actual Results: Traceback [...] ModuleNotFoundError: No module named 'sniffio' With pipenv-2022.8.5 this works without problem. pipenv graph reports sniffio correctly installed $ pipenv graph httpx==0.23.0 - certifi [required: Any, installed: 2022.9.24] - httpcore [required: >=0.15.0,<0.16.0, installed: 0.15.0] - anyio [required: ==3.*, installed: 3.6.1] - certifi [required: Any, installed: 2022.9.24] - h11 [required: >=0.11,<0.13, installed: 0.12.0] - sniffio [required: ==1.*, installed: 1.3.0] - rfc3986 [required: >=1.3,<2, installed: 1.5.0] - sniffio [required: Any, installed: 1.3.0] idna==3.4 Workaround: 1. pipenv install httpx 2. pipenv shell 3. pip install httpx