Only build once with 2.7 on Travis.

anntzer · anntzer · commit b1fb7787b554 · 2017-04-14T22:34:39.000-07:00
Saving some more time on CI, and checking that the docs build with old
numpys as well.
diff --git a/.travis.yml b/.travis.yml
@@ -52,9 +52,7 @@ env:
 matrix:
   include:
     - python: 2.7
-      env: MOCK=mock NUMPY=numpy==1.7.1 PANDAS=pandas
-    - python: 2.7
-      env: BUILD_DOCS=true
+      env: MOCK=mock NUMPY=numpy==1.7.1 PANDAS=pandas BUILD_DOCS=true
     - python: 3.4
       env: PYTHON_ARGS=-OO
     - python: 3.5
