Hi all.

I can add Criterias to a place. How can I add Places to a criteria?


class Criterias(models.Model):
    name = ...
class Places(models.Model):
    name = ...
class PlacesToCriterias(models.Model):
    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
    object_id = models.PositiveIntegerField()
    content_object = GenericForeignKey()

    criteria_group = models.ForeignKey(Criterias)

Admin - PLACES part:

class PlaceCriteriasInlineAdmin(GenericTabularInline):
    model = PlacesToCriterias
class PlacesAdmin(admin.ModelAdmin):
    inlines = [PlaceCriteriasInlineAdmin]

admin.site.register(Places, PlacesAdmin)

In this case, when I open Places admin change page, I can add Criterias items 
to my 'place'.

Admin - CRITERIAS part:

class CriteriaPlacesInlineAdmin(GenericTabularInline):
    model = PlacesToCriterias
class CriteriasAdmin(admin.ModelAdmin):
    inlines = [CriteriaPlacesInlineAdmin]

admin.site.register(Criterias, CriteriasAdmin)

In this case, when I open Criterias admin change page, I CAN NOT add Places 
to my 'criteria', because instead of possible places I see criterias.

How to get Places items at Criterias admin page?

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