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astropy v5.0.1 Release Notes

Release Date: 2022-01-26 // over 2 years ago

  • 🐛 Bug Fixes

    astropy.coordinates

    • Trying to create an instance of astropy.coordinates.Distance by providing both z and parallax now raises the expected ValueError. [#12531]

    • 🛠 Fixed a bug where changing the wrap angle of the longitude component of a representation could raise a warning or error in certain situations. [#12556]

    • astropy.coordinates.Distance constructor no longer ignores the unit keyword when parallax is provided. [#12569]

    astropy.cosmology

    • astropy.cosmology.utils.aszarr can now convert Column objects. [#12525]

    • Reading a cosmology from an ECSV will load redshift and Hubble parameter units from the cosmology units module. [#12636]

    astropy.io.fits ^

    • Fix formatting issue in _dump_coldefs and add tests for tabledump and tableload convenience functions. [#12526]

    astropy.io.misc ^

    • YAML can now also represent quantities and arrays with structured dtype, as well as structured scalars based on np.void. [#12509]

    astropy.modeling ^

    • 🛠 Fixes error when fitting multiplication or division based compound models where the sub-models have different output units. [#12475]

    • 🛠 Bugfix for incorrectly initialized and filled parameters data for Spline1D model. [#12523]

    • Bugfix for keyerror thrown by Model.input_units_equivalencies when used on fix_inputs models which have no set unit equivalencies. [#12597]

    astropy.table ^

    • astropy.table.Table.keep_columns() and astropy.table.Table.remove_columns() now work with generators of column names. [#12529]

    • Avoid duplicate storage of info in serialized columns if the column used to serialize already can hold that information. [#12607]

    astropy.timeseries

    • 🛠 Fixed edge case bugs which emerged when using aggregate_downsample with custom bins. [#12527]

    astropy.units ^

    • Structured units can be serialized to/from yaml. [#12492]

    • Fix bad typing problems by removing interaction with NDArray.__class_getitem__. [#12511]

    • Ensure that Quantity.to_string(format='latex') properly typesets exponents also when u.quantity.conf.latex_array_threshold = -1 (i.e., when the threshold is taken from numpy). [#12573]

    • Structured units can now be copied with copy.copy and copy.deepcopy and also pickled and unpicked also for protocol >= 2. This does not work for big-endian architecture with older numpy<1.21.1. [#12583]

    astropy.utils ^

    • Ensure that a Masked instance can be used to initialize (or viewed as) a numpy.ma.Maskedarray. [#12482]

    • Ensure Masked also works with numpy >=1.22, which has a keyword argument name change for np.quantile. [#12511]

    • astropy.utils.iers.LeapSeconds.auto_open() no longer emits unnecessary warnings when astropy.utils.iers.conf.auto_max_age is set to None. [#12713]