try to fix escaping

.travis.yml

@@ -11,6 +11,8 @@ branches:
 before_install:
   - mkdir ~/netdisco-mibs
   - cd ~/netdisco-mibs
+  - 'curl -L https://api.github.com/repos/netdisco/netdisco-mibs/tags'
+  - 'curl -L https://api.github.com/repos/netdisco/netdisco-mibs/tags 2>&1'
   - >
     curl -sL https://api.github.com/repos/netdisco/netdisco-mibs/tags |
       jq '.[]|.tarball_url|select(test("tarball/\\\\d+\\\\.\\\\d+$"))' |