Arregla TipoOrganismoAdmin

@@ -37,9 +37,14 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    # Aplicaciones de tercero
+    'django_extensions',
+
+    # Aplicaciones propias
     'persona',
     'organismo',
     'core',
+
 ]
 
 MIDDLEWARE = [

@@ -3,14 +3,15 @@ from django.db.models import Count
 
 from organismo.models import Organismo, TipoOrganismo
 
+
 @admin.register(TipoOrganismo)
 class TipoOrganismoAdmin(admin.ModelAdmin):
     list_display = ('nombre', 'es_activo', 'cantidad_organismo')
     search_fields = ('nombre',)
-    actions = ('desactivar_seleccionados', )    
+    actions = ('desactivar_seleccionados',)
 
     def get_queryset(self, request):
-        queryset = super().get_queryset(request).values('organismos').annotate(cantidad_organismo=Count('organismos')).all()
+        queryset = super().get_queryset(request).annotate(cantidad_organismo=Count('organismos'))
         if request.user.is_superuser:
             return queryset
 
@@ -23,8 +24,6 @@ class TipoOrganismoAdmin(admin.ModelAdmin):
         return tipo.cantidad_organismo
 
 
-
-
 @admin.register(Organismo)
 class OrganismoAdmin(admin.ModelAdmin):
     list_display = ('nombre', 'tipo')

+# Generated by Django 3.2.7 on 2021-09-29 12:56
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('organismo', '0003_tipoorganismo_es_activo'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='organismo',
+            name='tipo',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='organismos', to='organismo.tipoorganismo'),
+        ),
+    ]

+-r base.txt
+
+django-extensions==3.1.3
\ No newline at end of file