[Django] #20745: {{ block.super }} silences/hides errors

[Django]

#20745: {{ block.super }} silences/hides errors
-------------------------------+--------------------
     Reporter:  robin          |      Owner:  nobody
         Type:  Bug            |     Status:  new
    Component:  Uncategorized  |    Version:  1.5
     Severity:  Normal         |   Keywords:
 Triage Stage:  Unreviewed     |  Has patch:  0
Easy pickings:  0              |      UI/UX:  0
-------------------------------+--------------------
 Say I create '''myapp/admin.py''' which contains:


 {{{
 from django.contrib import admin
 from myapp.models import MyModel

 class MyModelAdmin(admin.ModelAdmin):

     list_display = ('pk','abc')

     def abc(self, user):
         return 999+None

 admin.site.register(MyModel, MyModelAdmin)
 }}}

 Then when you visit http://localhost:8000/admin/myapp/mymodel/ a
 '''TypeError''' will raise because you cannot add 999 and None together.
 This is the '''expected outcome'''.

 However if I add '''templates/admin/myapp/mymodel/change_list.html'''
 which contains:

 {{{
 {% extends "admin/change_list.html" %}

 {% block content %}
     {{ block.super }}
 {% endblock %}

 }}}

 The '''TypeError will not appear''' and the page renders but without any
 content, which is '''not the expected outcome'''.

 This ticket seems similar to https://code.djangoproject.com/ticket/18169

-- 
Ticket URL: <https://code.djangoproject.com/ticket/20745>
Django <https://code.djangoproject.com/>
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