Another attempt to make coveralls work.
diff --git a/.travis.yml b/.travis.yml
index 65790db..56034ac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -66,7 +66,7 @@
 
 before_install:
   - pip install --user cpp-coveralls
-  - pip install --user requests[security]
+  - pip install --user pyopenssl ndg-httpsclient pyasn1
     # Lua is not installed on Travis OSX
   - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew install lua; export LUA_PREFIX=/usr/local; fi