Add scikit-learn to requirements

requirements.txt

@@ -11,6 +11,7 @@ numpy==1.8.1
 openpyxl==2.0.4
 pandas==0.14.0
 pyzmq==14.3.1
+scikit-learn==0.14.1
 scipy==0.14.0
 seaborn==0.3.1
 tornado==3.2.2

[Wai Yi Leung]

openpyxl==1.8.6

This should be the version, the newest version is not compatible with Pandas

[Martijn Vermaat]

Ugh, nasty, I didn't realize that! Thanks, I'll fix it.

[Wai Yi Leung]

Also my bad, didn't provide you the details about this..