Fix Requests Dependency Warning Quickly | Generated by AI

Home 2026.03

Question: How do I fix the RequestsDependencyWarning about urllib3 or chardet/charset_normalizer not matching a supported version?

Answer:

Understanding the Warning

This warning means the installed versions of urllib3, chardet, or charset_normalizer are incompatible with the version of requests installed in your Python environment (/opt/homebrew/lib/python3.14). It does not break functionality, but it signals a version mismatch.

Fix Options (Best to Try in Order)

✅ Option 1 — Upgrade all three packages together (Recommended)

This is the most reliable fix. Upgrade requests, urllib3, and charset-normalizer to mutually compatible versions:

pip3.14 install --upgrade requests urllib3 charset-normalizer

Since you’re on macOS with Homebrew Python, you may need:

pip3 install --upgrade requests urllib3 charset-normalizer

✅ Option 2 — Reinstall requests cleanly

Sometimes a fresh reinstall resolves dependency resolution automatically:

pip3 install --force-reinstall requests

✅ Option 3 — Use a virtual environment (Best Practice)

Since your path is /opt/homebrew/lib/python3.14, you’re installing packages globally into Homebrew Python. This often causes version conflicts with other tools. Using a virtual environment isolates your project:

python3.14 -m venv myenv
source myenv/bin/activate
pip install requests urllib3 charset-normalizer

✅ Option 4 — Suppress the warning (Quick workaround)

If you just want to silence it without fixing the root cause, add this to the top of your Python script:

import warnings
from requests import packages
warnings.filterwarnings('ignore', category=packages.urllib3.exceptions.RequestsDependencyWarning)

Or run your script with:

python3 -W ignore::Warning your_script.py

✅ Option 5 — Check current versions and pinpoint the conflict

Run the following to see exactly what’s installed:

pip3 show requests urllib3 chardet charset-normalizer

Then check requests’ PyPI page to see what versions of urllib3 and charset-normalizer it requires for your installed requests version, and adjust accordingly.

Root Cause Summary

Package Role
requests HTTP library — depends on urllib3 and charset detection
urllib3 Low-level HTTP client used by requests
chardet / charset-normalizer Character encoding detection (requests uses one of these)

The warning is triggered when requests detects that the installed versions of these dependencies are outside the version ranges it was built to support. The fix is to align all versions together — Option 1 above usually solves it completely.

References:

Back Donate