Update Tox and Travis configurations

.travis.yml

@@ -3,16 +3,14 @@ matrix:
   include:
     - os: windows
       language: sh
-      python: 3
+      python: "3.8"
+      env: "PATH="/c/Python:/c/Python/Scripts:$PATH""
       # Perform the manual steps on windows to install python3
       before_install:
-        - choco install python3 --params "/InstallDir:C:\Python"
-        - export PATH="/c/Python:/c/Python/Scripts:$PATH"
+        - choco install python --version=3.8.6
         - python -m pip install --upgrade pip
-        - python -m pip install pywin32
       before_script:
-        - export TOXENV=py3-win
-
+        - export TOXENV=py38
     - python: "2.7"
     - python: "3.4"
     - python: "3.5"

tox.ini

@@ -1,21 +1,20 @@
 [tox]
-envlist = py{27,34,35,36,37,38,39,310,3-win}
+envlist = py{27,34,35,36,37,38,39,310}
 skip_missing_interpreters = True
 
 [testenv]
-platform = linux
+deps =
+    flake8
+    pytest
+    pywin32; sys_platform == 'win32'
 commands =
-    python setup.py test --test-suite tests.TestSuite
-
-[testenv:py3-win]
-platform = win
-commands =
-    python -m pip install pywin32
-    python setup.py test --test-suite tests.TestSuite
+    flake8
+    pytest
 
 [testenv:py27]
 deps =
     configparser
+    {[testenv]deps}
 
 [flake8]
 exclude = .tox,env,build