Update .travis.yml
diff --git a/.travis.yml b/.travis.yml
index bde5183..b74289f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,16 +3,9 @@
 
 python:
   - "2.7"
-  - "3.5"
-  - "3.6"
 
 services:
   - mysql
-  
-matrix:
-  allow_failures:
-    - python: "3.5"
-    - python: "3.6"
 
 install:
   # fix mongodb travis error