Folllowing the guide in the README, when trying to import the cms_dummy fixture, this happened: ``` I have no name!@ffe333c3712e:/eoa/server$ python manage.py loaddata $RES_DIR/fixtures/cms_dummy.json [31/852] Traceback (most recent call last): File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 85, in _execute return self.cursor.execute(sql, params) psycopg2.ProgrammingError: relation "django_site" does not exist LINE 1: ..."django_site"."domain", "django_site"."name" FROM "django_si... ^ The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/usr/local/lib/python3.7/site-packages/django/core/serializers/python.py", line 128, in Deserializer value = base.deserialize_fk_value(field, field_value, using) File "/usr/local/lib/python3.7/site-packages/django/core/serializers/base.py", line 276, in deserialize_fk_value obj = default_manager.db_manager(using).get_by_natural_key(*field_value) File "/usr/local/lib/python3.7/site-packages/django/contrib/sites/models.py", line 77, in get_by_natural_key return self.get(domain=domain) File "/usr/local/lib/python3.7/site-packages/django/db/models/manager.py", line 82, in manager_method return getattr(self.get_queryset(), name)(*args, **kwargs) File "/usr/local/lib/python3.7/site-packages/django/db/models/query.py", line 393, in get num = len(clone) File "/usr/local/lib/python3.7/site-packages/django/db/models/query.py", line 250, in __len__ self._fetch_all() File "/usr/local/lib/python3.7/site-packages/django/db/models/query.py", line 1186, in _fetch_all self._result_cache = list(self._iterable_class(self)) File "/usr/local/lib/python3.7/site-packages/django/db/models/query.py", line 54, in __iter__ results = compiler.execute_sql(chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size) File "/usr/local/lib/python3.7/site-packages/django/db/models/sql/compiler.py", line 1065, in execute_sql cursor.execute(sql, params) File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 100, in execute return super().execute(sql, params) File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 68, in execute return self._execute_with_wrappers(sql, params, many=False, executor=self._execute) File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 77, in _execute_with_wrappers return executor(sql, params, many, context) File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 85, in _execute return self.cursor.execute(sql, params) File "/usr/local/lib/python3.7/site-packages/django/db/utils.py", line 89, in __exit__ raise dj_exc_value.with_traceback(traceback) from exc_value File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 85, in _execute return self.cursor.execute(sql, params) django.db.utils.ProgrammingError: relation "django_site" does not exist LINE 1: ..."django_site"."domain", "django_site"."name" FROM "django_si... During handling of the above exception, another exception occurred: Traceback (most recent call last): File "manage.py", line 21, in <module> main() File "manage.py", line 17, in main execute_from_command_line(sys.argv) File "/usr/local/lib/python3.7/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line utility.execute() File "/usr/local/lib/python3.7/site-packages/django/core/management/__init__.py", line 375, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/usr/local/lib/python3.7/site-packages/django/core/management/base.py", line 316, in run_from_argv self.execute(*args, **cmd_options) File "/usr/local/lib/python3.7/site-packages/django/core/management/base.py", line 353, in execute output = self.handle(*args, **options) File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/loaddata.py", line 72, in handle self.loaddata(fixture_labels) File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/loaddata.py", line 113, in loaddata self.load_label(fixture_label) File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/loaddata.py", line 168, in load_label for obj in objects: File "/usr/local/lib/python3.7/site-packages/django/core/serializers/json.py", line 69, in Deserializer yield from PythonDeserializer(objects, **options) File "/usr/local/lib/python3.7/site-packages/django/core/serializers/python.py", line 130, in Deserializer raise base.DeserializationError.WithData(e, d['model'], d.get('pk'), field_value) django.core.serializers.base.DeserializationError: Problem installing fixture '/eoa/res/fixtures/cms_dummy.json': relation "django_site" does not exist LINE 1: ..."django_site"."domain", "django_site"."name" FROM "django_si... ```