rename url path collection to collections, delete property in M2M field

apps/establishment/migrations/0028_auto_20190920_1205.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.4 on 2019-09-20 12:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('establishment', '0027_auto_20190920_1120'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='establishment',
+            name='collections',
+            field=models.ManyToManyField(blank=True, default=None, related_name='establishments', to='collection.Collection', verbose_name='Collections'),
+        ),
+    ]

apps/establishment/models.py

@@ -273,7 +273,7 @@ class Establishment(ProjectBaseMixin, URLImageMixin, TranslatedFieldsMixin):
                                       verbose_name=_('Transportation'))
     collections = models.ManyToManyField(to='collection.Collection',
                                          related_name='establishments',
-                                         blank=True, null=True, default=None,
+                                         blank=True, default=None,
                                          verbose_name=_('Collections'))
     preview_image_url = models.URLField(verbose_name=_('Preview image URL path'),
                                         blank=True, null=True, default=None)

project/urls/web.py

@@ -20,7 +20,7 @@ app_name = 'web'
 urlpatterns = [
     path('account/', include('account.urls.web')),
     path('re_blocks/', include('advertisement.urls.web')),
-    path('collection/', include('collection.urls.web')),
+    path('collections/', include('collection.urls.web')),
     path('establishments/', include('establishment.urls.web')),
     path('news/', include('news.urls.web')),
     path('notifications/', include('notification.urls.web')),