docker-library / docker-library/python
pip._internal.models ModuleNotFoundError in Official Python Slim Docker Images
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Description
Official Python slim Docker images are shipping with a broken pip installation as of late May / June 2026. Any pip command fails immediately on a fresh pull with no modifications to the image.
Affected Images
python:3.10-slim-busterpython:3.11-slim
Reproduce
docker run --rm python:3.10-slim-buster pip install requests
docker run --rm python:3.11-slim pip install requests
No apt installs, no pip upgrades, no Dockerfile changes, fails on a clean pull.
Error
File "/usr/local/lib/python3.10/site-packages/pip/_internal/locations/__init__.py", line 9
from pip._internal.models.scheme import SCHEME_KEYS, Scheme
ModuleNotFoundError: No module named 'pip._internal.models'
Impact
Silent breaking change. Builds working with zero Dockerfile modifications are
Now broken.
Environment
- Docker: 26.x
- Host OS: Linux
- Date observed: June 1, 2026
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the failure with the listed docker run commands for python:3.10-slim-buster and python:3.11-slim, then inspect the official image packaging and pip installation for the reported missing module. Done means a fresh pull of each affected image can run pip install requests successfully without extra Dockerfile or apt changes.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- docker, python
- Domain
- devops, infrastructure
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100