#26977: Instantiating an abstract model with a string ForeignKey fails with
TypeError: isinstance() arg 2 must be a class, type, or tuple of classes
and types
--------------------------------------+------------------------------------
     Reporter:  teeberg               |                    Owner:  nobody
         Type:  Cleanup/optimization  |                   Status:  new
    Component:  Documentation         |                  Version:  1.9
     Severity:  Normal                |               Resolution:
     Keywords:                        |             Triage Stage:  Accepted
    Has patch:  0                     |      Needs documentation:  1
  Needs tests:  0                     |  Patch needs improvement:  0
Easy pickings:  0                     |                    UI/UX:  0
--------------------------------------+------------------------------------

Comment (by charettes):

 Replying to [comment:3 timgraham]:
 > How about raising a helpful message saying that abstract models can't be
 instantiated?

 Raising a `TypeError` with an helpful message in Django 1.11+ could be
 useful but I don't think it should be backported at this point.

--
Ticket URL: <https://code.djangoproject.com/ticket/26977#comment:4>
Django <https://code.djangoproject.com/>
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