[2.1.x] Corrected docs regarding RegisterLookupMixin subclasses.

Backport of d48662122c from master.
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Sergey Fedoseev 2018-11-12 20:20:35 +05:00 committed by Tim Graham
parent 747253ce84
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@ -36,7 +36,7 @@ Registration API
Django uses :class:`~lookups.RegisterLookupMixin` to give a class the interface to
register lookups on itself. The two prominent examples are
:class:`~django.db.models.Field`, the base class of all model fields, and
``Aggregate``, the base class of all Django aggregates.
:class:`Transform`, the base class of all Django transforms.
.. class:: lookups.RegisterLookupMixin