module: support Python 3 only

.github/workflows/ci.yml

@@ -12,14 +12,12 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version:
-        - '2.7'
-        - '3.4'
-        - '3.5'
         - '3.7'
+        - '3.8'
         - '3.9'
     steps:
     - uses: actions/checkout@v2

library/tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{27,34,35,37,38,39},qa
+envlist = py{37,38,39},qa
 skip_missing_interpreters = True
 
 [testenv]
@@ -11,7 +11,7 @@ deps =
 	mock
 	pytest>=3.1
 	pytest-cov
- 
+
 [testenv:qa]
 commands =
 	flake8