Requests tests are broken (Fix)

The Fix

pip install requests==2.27.0

Based on closed psf/requests issue #4259 · PR/commit linked

Open PR/Commit

@@ -14,3 +14,4 @@ docutils
 tox
 detox
+httpbin==0.5.0

fix.md

Option A — Upgrade to fixed release\npip install requests==2.27.0\nWhen NOT to use: Do not use if it changes public behavior or if the failure cannot be reproduced.\n\n

Why This Fix Works in Production

Trigger: tests are broken
Mechanism: Pins the httpbin package to version 0.5.0 to resolve broken tests.
Why the fix works: Pins the httpbin package to version 0.5.0 to resolve broken tests. (first fixed release: 2.27.0).

Why This Breaks in Prod

Production symptom (often without a traceback): tests are broken

Proof / Evidence

GitHub issue: #4259
Fix PR: https://github.com/psf/requests/pull/4261
First fixed release: 2.27.0
Reproduced locally: No (not executed)
Last verified: 2026-02-09
Confidence: 0.80
Did this fix it?: Yes (upstream fix exists)
Own content ratio: 0.77

Discussion

High-signal excerpts from the issue thread (symptoms, repros, edge-cases).

Jump to Sources Open on GitHub

“I'm loving these new GitHub line previews.”

@kennethreitz · 2017-08-26 · source

Failure Signature (Search String)

tests are broken
Specifically, this hangs https://github.com/requests/requests/blob/5dcbdb50fc9652cbeffeec22a21d1196e938bfca/tests/test_requests.py#L151

Copy-friendly signature

signature.txt

Failure Signature
-----------------
tests are broken
Specifically, this hangs https://github.com/requests/requests/blob/5dcbdb50fc9652cbeffeec22a21d1196e938bfca/tests/test_requests.py#L151

Error Message

Signature-only (no traceback captured)

error.txt

Error Message
-------------
tests are broken
Specifically, this hangs https://github.com/requests/requests/blob/5dcbdb50fc9652cbeffeec22a21d1196e938bfca/tests/test_requests.py#L151

What Broke

Tests hang during execution, causing CI failures and local development issues.

Fix Options (Details)

Option A — Upgrade to fixed release Safe default (recommended)

pip install requests==2.27.0

When NOT to use: Do not use if it changes public behavior or if the failure cannot be reproduced.

Use when you can deploy the upstream fix. It is usually lower-risk than long-lived workarounds.

Fix reference: https://github.com/psf/requests/pull/4261

First fixed release: 2.27.0

Last verified: 2026-02-09. Validate in your environment.

When NOT to Use This Fix

Do not use if it changes public behavior or if the failure cannot be reproduced.

Did This Fix Work in Your Case?

Quick signal helps us prioritize which fixes to verify and improve.

Prevention

Capture the exact failing error string in logs and tests so you can reproduce via a minimal script.
Pin production dependencies and upgrade only with a reproducible test that hits the failing path.

Version Compatibility Table

Version	Status
2.27.0	Fixed

Related Issues

No related fixes found.

Cluster: requests:other Requests hub Requests best practices All hubs All clusters

Related clusters: Configuration error Data consistency SSL handshake

Sources

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