Fixed typo in .travis.yml related to python365 on osx

Author: tpaviot

.travis.yml

@@ -42,7 +42,7 @@ matrix:
       os: osx
     - env: PYTHON="3.6" CONDA_PY=36 ARCH="x86_64"
       os: linux
-    - env: PYTHON="3.6" CONDA_PY=35 ARCH="x86_64"
+    - env: PYTHON="3.6" CONDA_PY=36 ARCH="x86_64"
       os: osx
 # Use miniconda to install binary versions of numpy etc. from continuum
 # analytic's repository. Follows an approach described by Dan Blanchard: