Bug-fix release. This release includes the following backwards-compatible changes: - [#31] new function `gwosc.datasets.dataset_type` - [#32] fixed critical bug in `gwosc.locate.get_urls` See https://github.com/gwpy/gwosc/compare/v0.4.1..v0.4.2 for a full list of changes since the previous release (0.4.1)