Merge pull request #2984 from lamblin/fix_travis

.travis.yml

@@ -19,7 +19,7 @@ install:
   - if [[ $TRAVIS_PYTHON_VERSION == '3.3' ]]; then conda create --yes -q -n pyenv mkl python=3.3 numpy=1.9.1 scipy=0.14.0 nose=1.3.4 pip flake8==2.3; fi
   - source activate pyenv
   - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install pydot; fi
-  - pip install . --no-deps --use-mirrors
+  - pip install . --no-deps
 
 # command to run tests
 env: