Try 3.8

azure-pipelines.yml

@@ -30,6 +30,9 @@ jobs:
         py37:
           python.version: '3.7'
           tox.env: py37
+        py38:
+          python.version: '3.8'
+          tox.env: py38
 
         pypy2:
           python.version: 'pypy2'
@@ -64,8 +67,16 @@ jobs:
         inputs:
           versionSpec: '$(python.version)'
           architecture: 'x64'
+        condition: ne(variables['python.version'], '3.8')
         displayName: Get Python for tests.
 
+      - script: |
+          sudo add-apt-repository ppa:deadsnakes
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends python3.8-dev python3.8-distutils
+        condition: eq(variables['python.version'], '3.8')
+        displayName: Install Python 3.8 from the deadsnakes PPA.
+
       - script: $(pyTools.pythonLocation)/bin/tox -e $(tox.env)
         env:
           TOX_AP_TEST_EXTRAS: azure-pipelines