Added Travis versions and fixed flake8 errors

Author: MiltonLn

.travis.yml

@@ -8,11 +8,15 @@ python:
   - "3.4"
 
 env:
-  - DJANGO="django==1.11.9"
+  - DJANGO="django==3.1.3"
+  - DJANGO="django==3.0.11"
+  - DJANGO="django==2.2.17"
+  - DJANGO="django==2.1.15"
+  - DJANGO="django==2.0.13"
+  - DJANGO="django==1.11.29"
   - DJANGO="django==1.10.8"
   - DJANGO="django==1.9.13"
-  - DJANGO="django==1.8.18"
-  - DJANGO="django==2.0.1"
+  - DJANGO="django==1.8.19"
 
 install:
   - pip install $DJANGO

README.rst

@@ -13,8 +13,8 @@ dictionaries to generate menu items
 Features:
 ---------
 
--  Tested support to Python 3.4, 3.5, 3.6
--  Tested support to Django 1.8, 1.9, 1.10, 1.11, 2.0
+-  Tested support to Python 3.4, 3.5, 3.6, 3.7, 3.8
+-  Tested support to Django 1.8, 1.9, 1.10, 1.11, 2.0, 2.2, 3.0, 3.1
 -  No database
 -  Support unlimited menus
 -  Icons support

menu_generator/tests/test_menu.py

@@ -267,7 +267,7 @@ def test_generate_menu_selected_related_urls_simple(self):
         self.request.path = "/persons/1/"
         self.menu.save_user_state(self.request)
         list_dict = [
-            {  
+            {
                 "name": "parent1",
                 "url": "/user/account/",
                 "related_urls": ["/persons/", "/groups/"],
@@ -283,7 +283,7 @@ def test_generate_menu_selected_related_urls_submenu(self):
         self.request.path = "/persons/1/"
         self.menu.save_user_state(self.request)
         list_dict = [
-            {  
+            {
                 "name": "parent1",
                 "url": "/user/account/",
                 "submenu": [
@@ -305,4 +305,4 @@ def test_generate_menu_selected_related_urls_submenu(self):
         self.assertEqual(len(nav), 1)
         self.assertEqual(nav[0]["selected"], True)
         self.assertEqual(nav[0]["submenu"][0]["selected"], True)
-        self.assertEqual(nav[0]["submenu"][1]["selected"], False)
+        self.assertEqual(nav[0]["submenu"][1]["selected"], False)

menu_generator/utils.py

@@ -9,6 +9,7 @@
 else:
     from django.core.urlresolvers import reverse, NoReverseMatch
 
+
 def get_callable(func_or_path):
     """
     Receives a dotted path or a callable, Returns a callable or None
@@ -50,4 +51,4 @@ def parse_url(url):
         final_url = reverse(**url) if type(url) is dict else reverse(url)
     except NoReverseMatch:
         final_url = url
-    return final_url
+    return final_url