#30520: ModelForm with field without label crashes when used in 
InlineModelAdmin.
---------------------------------+------------------------------------
     Reporter:  George Tantiras  |                    Owner:  nobody
         Type:  Bug              |                   Status:  new
    Component:  contrib.admin    |                  Version:  master
     Severity:  Normal           |               Resolution:
     Keywords:                   |             Triage Stage:  Accepted
    Has patch:  0                |      Needs documentation:  0
  Needs tests:  0                |  Patch needs improvement:  0
Easy pickings:  1                |                    UI/UX:  0
---------------------------------+------------------------------------
Changes (by felixxm):

 * component:  Uncategorized => contrib.admin
 * version:  2.2 => master
 * easy:  0 => 1
 * type:  Uncategorized => Bug
 * stage:  Unreviewed => Accepted


Comment:

 Thanks for the report. I think that passing an empty form to the
 `label_for_field()` should fix this issue, e.g.
 {{{
 diff --git a/django/contrib/admin/helpers.py
 b/django/contrib/admin/helpers.py
 index 83719f4346..aa07581391 100644
 --- a/django/contrib/admin/helpers.py
 +++ b/django/contrib/admin/helpers.py
 @@ -289,7 +289,7 @@ class InlineAdminFormSet:
                  form_field = empty_form.fields[field_name]
                  label = form_field.label
                  if label is None:
 -                    label = label_for_field(field_name, self.opts.model,
 self.opts)
 +                    label = label_for_field(field_name, self.opts.model,
 self.opts, form=empty_form)
                  yield {
                      'name': field_name,
                      'label': label,
 }}}

 Reproduced at 67b6cb7723b2765cb776bd59d5603e3e63eefc2e.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/30520#comment:1>
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