Switch to `pkgutil namespace technique <https://packaging.python.org/guides/packaging-namespace-packages/#pkgutil-style-namespace-packages>`_ for the ``jaraco`` namespace.
3.0.0
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* Refreshed project metadata, now built using declarative config. Installation from sdist now requries setuptools 34.4.
2.5.2
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* Fix deprecation warning in ``always_iterable``. * Leverage base_type parameter in ``more_itertools.always_iterable``.
2.5.1
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* Set stacklevel in deprecated functions for better visibility of the call.
2.5
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* Added new ``maybe_single`` function. * Deprecated ``list_or_iterable`` in favor of ``maybe_single``.
2.4
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* Deprecated ``flatten`` and ``iflatten`` in favor of ``more_itertools.collapse``. Deprecated ``iterable_test``, only used by deprecated functions.