Remove unused packages

Author: jackton1

demo/apps.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.apps import AppConfig
 
 

demo/migrations/0001_initial.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.17 on 2018-12-08 23:41
-from __future__ import unicode_literals
 
 import django.db.models.deletion
 from django.conf import settings

extra_validator/field_validation/validator.py

@@ -1,5 +1,3 @@
-from __future__ import print_function
-
 import django
 from django.core import validators
 from django.core.exceptions import NON_FIELD_ERRORS, ValidationError

requirements.txt

@@ -1,8 +1,12 @@
 #
-# This file is autogenerated by pip-compile
-# To update, run:
+# This file is autogenerated by pip-compile with Python 3.9
+# by the following command:
 #
 #    pip-compile
 #
-future==0.18.2            # via django-extra-field-validation (setup.py)
-six==1.16.0               # via django-extra-field-validation (setup.py)
+asgiref==3.6.0
+    # via django
+django==4.1.5
+    # via django-extra-field-validation (setup.py)
+sqlparse==0.4.3
+    # via django