update travis and coverage configs

lonelyenvoy · lonelyenvoy · commit 908038a21bc7 · 2020-12-19T17:24:14.000+08:00
diff --git a/.coveragerc b/.coveragerc
@@ -2,3 +2,4 @@
 omit =
     memoization/backport/*
     memoization/util/algorithm_extension_validator.py
+    home/travis/*
diff --git a/.travis.yml b/.travis.yml
@@ -6,8 +6,9 @@ python:
   - "3.6"
   - "3.7"
   - "3.8"
-  - "3.8-dev"
+  - "3.9"
   - "3.9-dev"
+  - "nightly"
 install:
   - pip install coverage
   - pip install coveralls
