pip install numdifftools after other conda packages to avoid pip installing of numpy and scipy.

Author: twiecki

.travis.yml

@@ -15,7 +15,8 @@ before_install:
 install:
   - conda create -n testenv --yes pip python=$TRAVIS_PYTHON_VERSION
   - source activate testenv
-  - conda install --yes ipython==1.1.0 pyzmq numpy scipy nose matplotlib pandas numdifftools Cython scikits.sparse patsy statsmodels
+  - conda install --yes ipython==1.1.0 pyzmq numpy scipy nose matplotlib pandas Cython scikits.sparse patsy statsmodels
+  - pip install --no-deps numdifftools
   - pip install git+https://github.com/Theano/Theano.git
   - python setup.py build_ext --inplace
   - pip install git+https://github.com/mahmoudimus/nose-timer.git