[fix] .travis.yml

.travis.yml

@@ -4,10 +4,6 @@ dist: trusty
 python:
   - "2.7"
   - "3.6"
-  
- matrix:
-  - allow_failures:
-    - python: "3.6"
 
 services:
   - mysql
@@ -57,3 +53,5 @@ jobs:
         - bench --force restore ~/frappe-bench/20171108_190013_955977f8_database.sql.gz --mariadb-root-password travis
         - bench migrate
       env: Patch Testing
+  allow_failures:
+    - python: "3.6"