se agrego atributo editable y se elimino field de read_only_fields

+# Generated by Django 4.1.9 on 2023-09-19 13:23
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('edicto', '0015_edicto_usuario_movi'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='edicto',
+            name='usuario',
+        ),
+        migrations.RemoveField(
+            model_name='edicto',
+            name='usuario_movimiento',
+        ),
+        migrations.AddField(
+            model_name='edicto',
+            name='creado_por',
+            field=models.ForeignKey(editable=False, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='Usuario'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='edicto',
+            name='modificado_por',
+            field=models.ForeignKey(editable=False, on_delete=django.db.models.deletion.CASCADE, related_name='udate_edicto', to=settings.AUTH_USER_MODEL),
+            preserve_default=False,
+        ),
+    ]

-# Generated by Django 4.1.9 on 2023-09-19 12:40
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('edicto', '0015_edicto_usuario_movi'),
-    ]
-
-    operations = [
-        migrations.RenameField(
-            model_name='edicto',
-            old_name='usuario',
-            new_name='creado_por',
-        ),
-        migrations.RenameField(
-            model_name='edicto',
-            old_name='usuario_movimiento',
-            new_name='modificado_por',
-        ),
-    ]

+# Generated by Django 4.1.9 on 2023-09-19 13:29
+
+from django.db import migrations, models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('edicto', '0016_remove_edicto_usuario_and_more'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='edicto',
+            name='id',
+        ),
+        migrations.AlterField(
+            model_name='edicto',
+            name='uuid',
+            field=models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True),
+        ),
+    ]

+# Generated by Django 4.1.9 on 2023-09-19 13:34
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('edicto', '0017_remove_edicto_id_alter_edicto_uuid'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='edicto',
+            name='fecha_modificacion',
+            field=models.DateTimeField(auto_now=True),
+        ),
+    ]

@@ -25,8 +25,8 @@ class Precio (models.Model):
 
 
 class Edicto(models.Model):
-    uuid = models.UUIDField(unique=True, editable=False, default=uuid4)
-    creado_por = models.ForeignKey(Usuario, on_delete=models.CASCADE, verbose_name='Usuario')
+    uuid = models.UUIDField(unique=True, editable=False, default=uuid4, primary_key=True)
+    creado_por = models.ForeignKey(Usuario, on_delete=models.CASCADE, verbose_name='Usuario', editable=False)
     cuerpo_edicto = models.TextField(blank=False, null=False)
     archivo = models.FileField(upload_to="uploads/%Y/%m/%d/", null=False, blank=False)
     dias_publicar = models.PositiveIntegerField(blank=False, null=False)
@@ -36,9 +36,9 @@ class Edicto(models.Model):
     cantidad_copias = models.PositiveIntegerField(blank=False, null=False)
     fecha_publicacion = models.DateField(blank=True, null=True)
     observaciones = models.CharField(max_length=500, blank=True, null=True)
-    fecha_creacion = models.DateField(auto_now_add=True)
-    fecha_modificacion = models.DateTimeField(auto_now_add=True)
-    modificado_por = models.ForeignKey(Usuario, on_delete=models.CASCADE, related_name='udate_edicto')
+    fecha_creacion = models.DateField(auto_now_add=True, editable=False)
+    fecha_modificacion = models.DateTimeField(auto_now=True, editable=False)
+    modificado_por = models.ForeignKey(Usuario, on_delete=models.CASCADE, related_name='udate_edicto', editable=False)
 
     class Meta:
         verbose_name = 'Edicto'

@@ -32,10 +32,7 @@ class EdictoSerializer(serializers.ModelSerializer):
 
                   )
 
-        read_only_fields = ('creado_por', 'modificado_por',
-                            'fecha_publicacion', 'cantidad_palabras',
-                            'fecha_creacion',
-                            'fecha_modificacion',
+        read_only_fields = ('fecha_publicacion', 'cantidad_palabras',
                             )
 
     def validate(self, data):