```bash
(admin-sort-2.7.16) akpp@H87:~/test-projects/django-admin-sort$ run
Unhandled exception in thread started by <function wrapper at 0x7f33842a6e60>
Traceback (most recent call last):
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/utils/autoreload.py", line 228, in wrapper
    fn(*args, **kwargs)
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 116, in inner_run
    autoreload.raise_last_exception()
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/utils/autoreload.py", line 251, in raise_last_exception
    six.reraise(*_exception)
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/utils/autoreload.py", line 228, in wrapper
    fn(*args, **kwargs)
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/__init__.py", line 27, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/apps/registry.py", line 108, in populate
    app_config.import_models()
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/apps/config.py", line 202, in import_models
    self.models_module = import_module(models_module_name)
  File "/home/akpp/.pyenv/versions/2.7.16/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/contrib/auth/models.py", line 4, in <module>
    from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/contrib/auth/base_user.py", line 52, in <module>
    class AbstractBaseUser(models.Model):
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/db/models/base.py", line 124, in __new__
    new_class.add_to_class('_meta', Options(meta, app_label))
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/db/models/base.py", line 325, in add_to_class
    value.contribute_to_class(cls, name)
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/db/models/options.py", line 214, in contribute_to_class
    self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/db/__init__.py", line 33, in __getattr__
    return getattr(connections[DEFAULT_DB_ALIAS], item)
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/db/utils.py", line 211, in __getitem__
    backend = load_backend(db['ENGINE'])
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/db/utils.py", line 115, in load_backend
    return import_module('%s.base' % backend_name)
  File "/home/akpp/.pyenv/versions/2.7.16/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/home/akpp/.pyenv/versions/admin-sort-2.7.16/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py", line 35, in <module>
    raise ImproperlyConfigured("Error loading either pysqlite2 or sqlite3 modules (tried in that order): %s" % exc)
django.core.exceptions.ImproperlyConfigured: Error loading either pysqlite2 or sqlite3 modules (tried in that order): No module named _sqlite3

```