fix on model

dashboard/migrations/0001_initial.py

-# Generated by Django 4.2.2 on 2023-06-28 19:26
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-    initial = True
-
-    dependencies = []
-
-    operations = [
-        migrations.CreateModel(
-            name="Empresa",
-            fields=[
-                (
-                    "id",
-                    models.BigAutoField(
-                        auto_created=True,
-                        primary_key=True,
-                        serialize=False,
-                        verbose_name="ID",
-                    ),
-                ),
-                ("nombre", models.CharField(max_length=200)),
-            ],
-        ),
-        migrations.CreateModel(
-            name="Competencia",
-            fields=[
-                (
-                    "id",
-                    models.BigAutoField(
-                        auto_created=True,
-                        primary_key=True,
-                        serialize=False,
-                        verbose_name="ID",
-                    ),
-                ),
-                (
-                    "competidor",
-                    models.ForeignKey(
-                        on_delete=django.db.models.deletion.CASCADE,
-                        related_name="competidor",
-                        to="dashboard.empresa",
-                    ),
-                ),
-                (
-                    "empresa",
-                    models.ForeignKey(
-                        on_delete=django.db.models.deletion.CASCADE,
-                        related_name="empresa",
-                        to="dashboard.empresa",
-                    ),
-                ),
-            ],
-            options={
-                "unique_together": {("empresa", "competidor")},
-            },
-        ),
-    ]

dashboard/migrations/0002_empresa_usuarios.py

-# Generated by Django 4.2.2 on 2023-06-28 20:01
-
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-        ("dashboard", "0001_initial"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="empresa",
-            name="usuarios",
-            field=models.ManyToManyField(to=settings.AUTH_USER_MODEL),
-        ),
-    ]

dashboard/migrations/0003_empresa_pais.py

-# Generated by Django 4.2.2 on 2023-06-29 05:24
-
-from django.db import migrations
-import django_countries.fields
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("dashboard", "0002_empresa_usuarios"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="empresa",
-            name="pais",
-            field=django_countries.fields.CountryField(max_length=2, null=True),
-        ),
-    ]

dashboard/migrations/0004_empresa_google_ads_empresa_meta_ads.py

-# Generated by Django 4.2.2 on 2023-06-29 05:31
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("dashboard", "0003_empresa_pais"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="empresa",
-            name="google_ads",
-            field=models.CharField(max_length=200, null=True),
-        ),
-        migrations.AddField(
-            model_name="empresa",
-            name="meta_ads",
-            field=models.CharField(max_length=200, null=True),
-        ),
-    ]

dashboard/migrations/0005_alter_empresa_google_ads_alter_empresa_meta_ads.py

-# Generated by Django 4.2.2 on 2023-06-29 05:34
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("dashboard", "0004_empresa_google_ads_empresa_meta_ads"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="empresa",
-            name="google_ads",
-            field=models.CharField(blank=True, max_length=200),
-        ),
-        migrations.AlterField(
-            model_name="empresa",
-            name="meta_ads",
-            field=models.CharField(blank=True, max_length=200),
-        ),
-    ]

dashboard/migrations/0006_alter_empresa_google_ads_alter_empresa_meta_ads.py

-# Generated by Django 4.2.2 on 2023-06-29 05:35
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("dashboard", "0005_alter_empresa_google_ads_alter_empresa_meta_ads"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="empresa",
-            name="google_ads",
-            field=models.CharField(blank=True, max_length=200, null=True),
-        ),
-        migrations.AlterField(
-            model_name="empresa",
-            name="meta_ads",
-            field=models.CharField(blank=True, max_length=200, null=True),
-        ),
-    ]

dashboard/migrations/0007_alter_empresa_usuarios.py

-# Generated by Django 4.2.2 on 2023-06-29 05:38
-
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-        ("dashboard", "0006_alter_empresa_google_ads_alter_empresa_meta_ads"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="empresa",
-            name="usuarios",
-            field=models.ManyToManyField(blank=True, to=settings.AUTH_USER_MODEL),
-        ),
-    ]

dashboard/migrations/0008_mercado.py

-# Generated by Django 4.2.2 on 2023-06-29 05:55
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("dashboard", "0007_alter_empresa_usuarios"),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name="Mercado",
-            fields=[
-                (
-                    "id",
-                    models.BigAutoField(
-                        auto_created=True,
-                        primary_key=True,
-                        serialize=False,
-                        verbose_name="ID",
-                    ),
-                ),
-                ("mercado", models.CharField(max_length=200)),
-            ],
-        ),
-    ]

dashboard/models.py

@@ -22,7 +22,7 @@ class Company(models.Model):
     market = models.ForeignKey(Market, on_delete=models.SET_NULL, blank=True, null=True)
     country = CountryField(blank_label='(selecciona país)', null=True)  # ISO 3166 for Country Codes
     users = models.ManyToManyField(User, blank=True)
-    competitors = models.ManyToManyField('self', through='Competitor', related_name='competitor_of')
+    competitors = models.ManyToManyField('self', through='Competitor')
     sources = models.ManyToManyField(Source, through='CompanySource', related_name='companies')
 
     def __str__(self):