💄 Updated Travis Configuration

Author: guyzmo

.travis.yml

@@ -5,6 +5,14 @@ python:
     - "3.5-dev" # 3.5 development branch
     - "3.6-dev" # 3.6 development branch
     - "nightly" # 3.7 development branch
+    - "pypy" # 3.7 development branch
+os:
+    - "linux"
+    - "osx"
+matrix:
+  allow_failures:
+      - python: "nightly"
+      - python: "pypy"
 addons:
   apt:
     packages: