#33333: Models with a BinaryField fail to deepcopy in setUpTestData() on
PostgreSQL.
-------------------------------------+-------------------------------------
     Reporter:  Adam Zimmerman       |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  3.2
  (models, ORM)                      |
     Severity:  Release blocker      |               Resolution:
     Keywords:                       |             Triage Stage:  Accepted
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by Simon Charette):

 My first instinct would be to have `BinaryField.from_db_value` use
 `force_bytes` to store `bytes` instead of `memoryview` in `_state` or
 introduce a hook to allow `Field` subclass to define a hook using during
 serialization and have the model machinery

 To me that's more of a long standing issue with `BinaryField` and less of
 a regression cause by 3cf80d3fcf7446afdde16a2be515c423f720e54d.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/33333#comment:4>
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