tool · inferred from evidence
urljoin
A function (likely from Python's urllib.parse) used for URL construction.
- mailgun-python 1.7.0: all requests 404 when api_url includes /v3
This is a regression in 1.7.0: the SDK replaced `urljoin` with f-string URL building for a routing speedup, and `urljoin` had quietly replaced a trailing `/v3` segment — the f-strings just duplicate it. The Mailgun maintainer confirmed the