Ramiro Morales 7808a04fe5 [3.0.x] Corrected custom model fields how-to.
get_prep_value() method is complementary of from_db_value().

Follow up to e9103402c0fa873aea58a6a11dba510cd308cb84.

Backport of 52a0a03671437fc4c1be1eef431685a16aef8b43 from master
2020-07-10 11:38:26 +02:00
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