(venv) D:\Education\Home\Python\pythonz\pythonz>py manage.py createsuperuser
Environment type: development
2019-07-30 23:00:18,057 DEBUG raven.contrib.django.client.DjangoClient: Configuring Raven for host: None
2019-07-30 23:00:18,057 INFO raven.contrib.django.client.DjangoClient: Raven is not configured (logging is disabled). Please see the documentation for more information.
Username: admin
Email address:
Password:
Password (again):
Error: Blank passwords aren't allowed.
Password:
Password (again):
Traceback (most recent call last):
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\backends\base\base.py", line 239, in _commit
    return self.connection.commit()
sqlite3.IntegrityError: FOREIGN KEY constraint failed

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "manage.py", line 17, in <module>
    manage()
  File "manage.py", line 13, in manage
    execute_from_command_line(sys.argv)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\core\management\__init__.py", line 371, in execute_from_command_line
    utility.execute()
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\core\management\__init__.py", line 365, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\core\management\base.py", line 288, in run_from_argv
    self.execute(*args, **cmd_options)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\management\commands\createsuperuser.py", line 59, in execute
    return super().execute(*args, **options)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\core\management\base.py", line 335, in execute
    output = self.handle(*args, **options)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\management\commands\createsuperuser.py", line 179, in handle
    self.UserModel._default_manager.db_manager(database).create_superuser(**user_data)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\models.py", line 161, in create_superuser
    return self._create_user(username, email, password, **extra_fields)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\models.py", line 144, in _create_user
    user.save(using=self._db)
  File "D:\Education\Home\Python\pythonz\pythonz\apps\generics\models.py", line 346, in save
    super().save(*args, **kwargs)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\base_user.py", line 73, in save
    super().save(*args, **kwargs)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\models\base.py", line 729, in save
    force_update=force_update, update_fields=update_fields)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\models\base.py", line 759, in save_base
    updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\transaction.py", line 212, in __exit__
    connection.commit()
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\backends\base\base.py", line 261, in commit
    self._commit()
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\backends\base\base.py", line 239, in _commit
    return self.connection.commit()
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\utils.py", line 89, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\backends\base\base.py", line 239, in _commit
    return self.connection.commit()
django.db.utils.IntegrityError: FOREIGN KEY constraint failed

(venv) D:\Education\Home\Python\pythonz\pythonz>py manage.py createsuperuser
Environment type: development
2019-07-30 22:46:34,805 DEBUG raven.contrib.django.client.DjangoClient: Configuring Raven for host: None
2019-07-30 22:46:34,806 INFO raven.contrib.django.client.DjangoClient: Raven is not configured (logging is disabled). Please see the documentation for more information.
Username: admin
Email address:
Password:
Password (again):
Traceback (most recent call last):
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\backends\base\base.py", line 239, in _commit
    return self.connection.commit()
psycopg2.errors.ForeignKeyViolation: insert or update on table "apps_user" violates foreign key constraint "apps_user_submitter_id_d1ff9bb5_fk_apps_user_id"
DETAIL:  Key (submitter_id)=(111) is not present in table "apps_user".


The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "manage.py", line 17, in <module>
    manage()
  File "manage.py", line 13, in manage
    execute_from_command_line(sys.argv)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\core\management\__init__.py", line 371, in execute_from_command_line
    utility.execute()
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\core\management\__init__.py", line 365, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\core\management\base.py", line 288, in run_from_argv
    self.execute(*args, **cmd_options)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\management\commands\createsuperuser.py", line 59, in execute
    return super().execute(*args, **options)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\core\management\base.py", line 335, in execute
    output = self.handle(*args, **options)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\management\commands\createsuperuser.py", line 179, in handle
    self.UserModel._default_manager.db_manager(database).create_superuser(**user_data)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\models.py", line 161, in create_superuser
    return self._create_user(username, email, password, **extra_fields)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\models.py", line 144, in _create_user
    user.save(using=self._db)
  File "D:\Education\Home\Python\pythonz\pythonz\apps\generics\models.py", line 346, in save
    super().save(*args, **kwargs)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\contrib\auth\base_user.py", line 73, in save
    super().save(*args, **kwargs)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\models\base.py", line 729, in save
    force_update=force_update, update_fields=update_fields)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\models\base.py", line 759, in save_base
    updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\transaction.py", line 212, in __exit__
    connection.commit()
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\backends\base\base.py", line 261, in commit
    self._commit()
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\backends\base\base.py", line 239, in _commit
    return self.connection.commit()
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\utils.py", line 89, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "D:\Education\Home\Python\pythonz\venv\lib\site-packages\django\db\backends\base\base.py", line 239, in _commit
    return self.connection.commit()
django.db.utils.IntegrityError: insert or update on table "apps_user" violates foreign key constraint "apps_user_submitter_id_d1ff9bb5_fk_apps_user_id"
DETAIL:  Key (submitter_id)=(111) is not present in table "apps_user".

antuan, [21.01.20 21:03]
[В ответ на робот pythonz.net]
последние несколько месяцев в сводках летят июнские новости :(

PEP 545 сменил статус на «Утверждено (принято; возможно не реализовано)»

PEP 545 сменил статус на «Утверждено (принято; возможно не реализовано)»
https://www.python.org/dev/peps/pep-0535/