Add Python 3.9 to build

Signed-off-by: Gábor Lipták <gliptak@gmail.com>

.github/workflows/test.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
+        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2

.travis.yml

@@ -43,6 +43,10 @@ jobs:
     env: TOXENV=py38
   - python: 3.8
     env: TOXENV=py38-functional
+  - python: 3.9
+    env: TOXENV=py39
+  - python: 3.9
+    env: TOXENV=py39-functional
   - stage: deploy
     script: skip
     deploy:

setup.py

@@ -79,5 +79,6 @@ setup(
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
 )

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
-   py27, py3{5,6,7,8}
-   py27-functional, py3{5,6,7,8}-functional
+   py27, py3{5,6,7,8,9}
+   py27-functional, py3{5,6,7,8,9}-functional
 
 [testenv]
 passenv = TOXENV CI TRAVIS TRAVIS_*