fix django.utils.importlib deprecation

Author: andrvb

rest_framework_swagger/__init__.py

@@ -1,4 +1,4 @@
-VERSION = '0.1.14.2'
+VERSION = '0.1.14.3'
 
 DEFAULT_SWAGGER_SETTINGS = {
     'exclude_namespaces': [],

rest_framework_swagger/tests.py

@@ -1,4 +1,5 @@
 import datetime
+from importlib import import_module
 
 from django.core.urlresolvers import RegexURLResolver
 from django.conf import settings
@@ -7,7 +8,6 @@
 from django.contrib.admindocs.utils import trim_docstring
 from django.http import HttpRequest
 from django.test import TestCase
-from django.utils.importlib import import_module
 from django.views.generic import View
 
 from rest_framework.views import APIView

rest_framework_swagger/urlparser.py

@@ -1,7 +1,7 @@
 import os
+from importlib import import_module
 
 from django.conf import settings
-from django.utils.importlib import import_module
 from django.core.urlresolvers import RegexURLResolver, RegexURLPattern
 from django.contrib.admindocs.views import simplify_regex