Drop Python 2 compatibility

.travis.yml

@@ -27,8 +27,6 @@ matrix:
       env: REQ="Django>=1.11,<2.0"
     - python: 3.4
       env: REQ="Django>=1.11,<2.0"
-    - python: 2.7
-      env: REQ="Django>=1.11,<2.0"
     - python: 3.7
       env: REQ="black flake8"
       install:

CHANGELOG.rst

@@ -6,6 +6,7 @@ Next version
 
 * Restructured the ``FIELD_TYPES`` data structure to use a dictionary
   instead of a tuple to allow for future expansion.
+* Dropped compatibility with Python 2.
 
 
 0.14

form_designer/admin.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import json
 
 from django import forms

form_designer/apps.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.apps import AppConfig
 from django.utils.translation import ugettext_lazy as _
 

form_designer/contents.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.db import models
 from django.template.loader import render_to_string
 from django.utils.encoding import smart_text

form_designer/default_field_types.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from functools import partial
 
 from django import forms

form_designer/migrations/0001_initial.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.db import models, migrations
 
 

form_designer/models.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from collections import OrderedDict
 import json
 import warnings
@@ -11,7 +9,6 @@
 from django.core.validators import validate_email
 from django.db import models
 from django.db.models.fields import BLANK_CHOICE_DASH
-from django.utils.encoding import python_2_unicode_compatible
 from django.utils.html import format_html, format_html_join
 from django.utils.module_loading import import_string
 from django.utils.text import slugify
@@ -48,7 +45,6 @@ def validate_comma_separated_emails(value):
         validate_email(v.strip())
 
 
-@python_2_unicode_compatible
 class Form(models.Model):
     CONFIG_OPTIONS = [
         (
@@ -157,7 +153,6 @@ def process(self, form, request):
     }
 
 
-@python_2_unicode_compatible
 class FormField(models.Model):
     form = models.ForeignKey(
         Form, related_name="fields", verbose_name=_("form"), on_delete=models.CASCADE

setup.py

@@ -31,8 +31,6 @@ def read(filename):
         "License :: OSI Approved :: BSD License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 2",
-        "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
         "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
         "Topic :: Software Development",

tests/testapp/test_forms.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 from django.contrib.auth.models import User
 from django.core import mail
 from django.test import TestCase