- removing windows as it does not build because of issue #46

~ moving the python versions list to the top to iterate over it for 
linux at least

.travis.yml

@@ -1,25 +1,18 @@
 # See https://docs.travis-ci.com/user/languages/python/#running-python-tests-on-multiple-operating-systems
 language: python
+python:               # this works for Linux but is ignored on macOS or Windows
+  - "3.5"
+  - "3.6"
+  - "3.7"
+  - "3.8"
+  - "3.9"
 jobs:
   include:
     - name: "Python x on Xenial Linux"
-      python:               # this works for Linux but is ignored on macOS or Windows
-        - "3.5"
-        - "3.6"
-        - "3.7"
-        - "3.8"
-        - "3.9"
     - name: "Python 3.7 on macOS"
       os: osx
       osx_image: xcode11.2  # Python 3.7.4 running on macOS 10.14.4
       language: shell       # 'language: python' is an error on Travis CI macOS
-    - name: "Python 3.8 on Windows"
-      os: windows           # Windows 10.0.17134 N/A Build 17134
-      language: shell       # 'language: python' is an error on Travis CI Windows
-      before_install:
-        - choco install python --version 3.8.0
-        - python -m pip install --upgrade pip
-      env: PATH=/c/Python38:/c/Python38/Scripts:$PATH
 install:
   # Generates nicobot/version.py
   # 'python' points to Python 2.7 on macOS but points to Python 3.8 on Linux and Windows