02 / AI Root Cause Analysis

Root Cause Diagnosis & Reasoning

Interactive Demo
i
What is Diagnosis? Rather than dumping raw error logs, Debug Vitals calculates the exact root cause behind your failure and explains it in plain English with supporting evidence.
Primary Root Cause Identified

requests 2.31.0 removed PreparedRequest from the top-level namespace, breaking 5 integration tests that import it directly.

The agent ran a routine security audit and upgraded requests to 2.31.0. That version relocated PreparedRequest into requests.models. Five test files import it from the top-level namespace, which now raises ImportError at collection time, causing all 5 tests to fail before execution.

88%
Confidence
Chronological Causal ChainHow the initial change propagated into a system failure
Agent Action
Agent action
pip install requests==2.31.0
Failure
→
Dependency
Dependency change
requests 2.28.0 → 2.31.0
Failure
→
Environment
Import error
from requests import PreparedRequest
Failure
→
Test Result
5 tests failed
ImportError in test_http_*.py
Failure
→
CI Pipeline
CI build failed
job: test — conclusion: failure
Failure
Supporting Evidence & DataSpecific file changes and version logs proving this root cause
requirements.txt
requirements.txt
requests==2.31.0
Import statement
tests/test_http_get.py
from requests import PreparedRequest
Changelog note
requests 2.31.0 CHANGELOG
PreparedRequest moved to requests.models
Passing with 2.28
(local rollback test)
5/5 tests pass with requests==2.28.0
Ranked Potential Root CausesTop 2 candidate causes weighted by evidence
#1
requests 2.31.0 moved PreparedRequest — ImportError in test_api.py.
88% Probability
#2
urllib3 2.x bundled with requests 2.31 has stricter SSL defaults.
44% Probability
Affected System ComponentsFiles and services impacted by this issue
test_http_get.pytest_http_post.pytest_http_auth.pyrequests import path
💡 Recommended Action

Pin requests==2.28.0, or update all imports to use requests.models.PreparedRequest.