Traceback (most recent call last):


 "<stdin>", line 1, in <module>
ImportError: cannot import name '_index_param_value' from 'sklearn.model_selection._validation' (/usr/local/lib/python3.7/site-packages/sklearn/model_selection/_validation.py)

Traceback (most recent call last):


 "/Users/test/shoptutorial/lib/python2.7/site-packages/django/utils/autoreload.py", line 226, in wrapper

fn(*args, **kwargs)


 "/Users/test/shoptutorial/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 109, in inner_run

autoreload.raise_last_exception()


 "/Users/test/shoptutorial/lib/python2.7/site-packages/django/utils/autoreload.py", line 249, in raise_last_exception

six.reraise(*_exception)


 "/Users/test/shoptutorial/lib/python2.7/site-packages/django/utils/autoreload.py", line 226, in wrapper

fn(*args, **kwargs)


 "/Users/test/shoptutorial/lib/python2.7/site-packages/django/__init__.py", line 18, in setup

apps.populate(settings.INSTALLED_APPS)


 "/Users/test/shoptutorial/lib/python2.7/site-packages/django/apps/registry.py", line 108, in populate

app_config.import_models(all_models)


 "/Users/test/shoptutorial/lib/python2.7/site-packages/django/apps/config.py", line 202, in import_models

self.models_module = import_module(models_module_name)


 "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module

__import__(name)


 "/Users/test/shoptutorial/Tutorial/django-shop/shop/models/__init__.py", line 2, in <module>

from .notification import Notification, NotificationAttachment


 "/Users/test/shoptutorial/Tutorial/django-shop/shop/models/notification.py", line 18, in <module>

from .customer import CustomerModel


 "/Users/test/shoptutorial/Tutorial/django-shop/shop/models/customer.py", line 23, in <module>

from .related import ChoiceEnum


 "/Users/test/shoptutorial/Tutorial/django-shop/shop/models/related.py", line 4, in <module>

import enum
ImportError: No module named enum
