Add Python3.8 to Travis, tox and setup.py files

.travis.yml

@@ -40,6 +40,15 @@ matrix:
     - python: 3.7
       env: TOXENV=py37-django22
 
+    - python: 3.8
+      env: TOXENV=py38-django111
+    - python: 3.8
+      env: TOXENV=py38-django20
+    - python: 3.8
+      env: TOXENV=py38-django21
+    - python: 3.8
+      env: TOXENV=py38-django22
+
     - python: 3.6
       env: TOXENV=lint
 

setup.py

@@ -73,5 +73,6 @@ setup(
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
     ],
 )

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
     py27-django111
-    py{35,36,37}-django{111,20,21,22}
+    py{35,36,37,38}-django{111,20,21,22}
     lint
 
 [testenv]