try to clean up travis testing matrix

Author: pterk

.travis.yml

@@ -1,46 +1,19 @@
 language: python
 sudo: false
 python:
-  - 2.7
-  - 3.4
-  - 3.5
   - 3.6
+  - 3.7
+  - 3.8
 env:
+  - DJANGO="django>=3.0.0,<3.1"
   - DJANGO="django>=2.2.0,<3.0"
   - DJANGO="django>=2.1.0,<2.2.0"
   - DJANGO="django>=2.0.0,<2.1.0"
-  - DJANGO="django>=1.11.0,<1.12.0"
-  - DJANGO="django>=1.10.2,<1.11.0"
-  - DJANGO="django>=1.9.3,<1.10.0"
-  - DJANGO="django>=1.8.10,<1.9.0"
 matrix:
   include:
     - python: 3.7
       dist: xenial
       sudo: true
-  exclude:
-    - python: 2.7
-      env: DJANGO="django>=2.0.0,<2.1.0"
-    - python: 2.7
-      env: DJANGO="django>=2.1.0,<2.2.0"
-    - python: 2.7
-      env: DJANGO="django>=2.2.0,<3.0"
-    - python: 3.4
-      env: DJANGO="django>=2.1.0,<2.2.0"
-    - python: 3.4
-      env: DJANGO="django>=2.2.0,<3.0"
-    - python: 3.5
-      env: DJANGO="django>=2.2.0,<3.0"
-    - python: 3.6
-      env: DJANGO="django>=2.2.0,<3.0"
-    - python: 3.7
-      env: DJANGO="django>=1.11.0,<1.12.0"
-    - python: 3.7
-      env: DJANGO="django>=1.10.2,<1.11.0"
-    - python: 3.7
-      env: DJANGO="django>=1.9.3,<1.10.0"
-    - python: 3.7
-      env: DJANGO="django>=1.8.10,<1.9.0"
 
 install:
   - travis_retry pip install pep8==1.7.0

README.md

@@ -371,6 +371,6 @@ special_feed.follow('timeline:60')
 
 ### Copyright and License Information
 
-Copyright (c) 2014-2017 Stream.io Inc, and individual contributors. All rights reserved.
+Copyright (c) 2014-2020 Stream.io Inc, and individual contributors. All rights reserved.
 
 See the file "LICENSE" for information on the history of this software, terms & conditions for usage, and a DISCLAIMER OF ALL WARRANTIES.