Self Reference Inlines is not working form me

[Ahmed F.]

I created a simple Self Reference model for a family tree and when added inlines to the model it is not working , code below:

models.py

class Person(models.Model):
    pname = models.CharField("Name",max_length=100)
    father = models.ForeignKey("familytree.Person", on_delete=models.CASCADE,null=True, blank=True, editable=False)
    def __str__(self):
        return self.pname

admin.py

class PersonInline(admin.TabularInline):
    model: Person
    fields = ['pname',]
    extra: 3

class PersonAdmin(admin.ModelAdmin):
    fieldsets = [
    (None, {'fields': ['pname']}),
    ]
    inlines: (PersonInline)

admin.site.register(Person, PersonAdmin)

[Ahmed F.]

Admin View

[Mariusz Felisiak]

It looks like you forgot a comma:

inlines: (PersonInline,)

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