PyKE v3.1.0 PyKE v3.1.0 is the first version to provide an easy Python API to interact with target pixel files and light curve files, i.e. it add the LightCurve, KeplerLightCurve, KeplerLightCurveFile, and KeplerTargetPixelFile classes. In addition, the PRF photometry tools were refactored into a more flexible interface, and a new implementation of the Self-Flat-Fielding systemats correction algorithm (SFFCorrector class) was added. While preparing this release, the team decided to move the Python API to a dedicated standalone package called lightkurve (https://github.com/KeplerGO/lightkurve) upon the release of v3.1.0. Thus, users should expect the new API to be removed in v3.2.0 in favor of a dependency on the new lightkurve package. The intention is for PyKE to evolve into becoming the command-line interface to lightkurve.