Adds requirement for scikit-learn

Author: harrymvr

environment.yml

@@ -6,4 +6,5 @@ dependencies:
   - seaborn==0.7.1
   - numpy==1.11.2
   - scipy==0.18.1
+  - scikit-learn==0.18
   - Sphinx==1.5

setup.py

@@ -60,6 +60,7 @@ def read(*names, **kwargs):
     install_requires=[
         'numpy==1.11.2',
         'scipy==0.18.1',
+        'scikit-learn==0.18',
         'seaborn==0.7.1',
         'matplotlib==1.5.3'
     ],