dev-python/kconfiglib have changed the upstream from https://github.com/ulfalizer/Kconfiglib to https://github.com/zephyrproject-rtos/Kconfiglib. In fact the second homepage listed on the ebuild (the PYPI URL) already specifies zepyrproject as the current maintainer. There is also an issue describing the change on the original homepage https://github.com/ulfalizer/Kconfiglib/issues/139. Reproducible: Always