CI: add py37 and py38 to test matrix

diff --git a/.travis.yml b/.travis.yml
index 295fa293fd6b67ccabd3307fab3ce53efe9a767f..ed4d2a95a39a033a7b6fffa50848cf26e1db2f9b 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,8 @@ language: python
 python:
   - "3.5"
   - "3.6"
+  - "3.7"
+  - "3.8"
   #- "nightly"
 matrix:
   include: