Releasing v3.19.1

[cb-alish]

v3.19.1 (2026-03-11)

---

Bug Fixes:

• Fixed URL construction to avoid appending a trailing ? when there are no query parameters.

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[hivel-marco]

PR Complexity Score: 2.0 - Simple

View Breakdown

• Lines Changed: 58
• Files Changed: 5
• Complexity Added: 3
• Raw Score: 20.66

High-level summary

This PR releases version 3.19.1 with a focused bug fix in HTTP URL construction. It ensures that URLs are built without a trailing ? when there are no query parameters, while still correctly preserving existing query strings. Version metadata and tests are updated accordingly.

Key functionalities and changes

• Fixes URL construction in chargebee.http_request.request:
  • Avoids appending a trailing ? when there is no query string.
  • Preserves existing query strings when present.
• Updates package version from 3.19.0 to 3.19.1 in both VERSION and chargebee/version.py.
• Adds and updates tests to validate:
  • No trailing ? for URLs without query parameters.
  • Correct handling of URLs that already contain a query string.
  • Adjusts existing test expectation for subdomain URL (no trailing ?).
• Documents the bug fix in CHANGELOG.md under v3.19.1.

File-level change summary

File	Change summary
CHANGELOG.md	Adds v3.19.1 entry describing the bug fix for URL construction (no trailing ? when no query params).
VERSION	Bumps version from 3.19.0 to 3.19.1.
chargebee/http_request.py	Refactors URL construction: builds a base URL and conditionally appends ?{meta.query} only when meta.query is non-empty, preventing trailing ?.
chargebee/version.py	Updates VERSION constant from "3.19.0" to "3.19.1".
tests/test_http_request.py	Updates existing subdomain URL test to expect no trailing ?, and adds two new tests to ensure URLs without query params don’t end with ? and that existing query strings are preserved without adding a bare trailing ?.