Incorrect pip call to scikit-learn

Author: smlindauer

tox.ini

@@ -54,7 +54,7 @@ deps =
     tests: betamax >= 0.8.1
     tests: betamax_serializers >= 0.2.0
     tests: mock; python_version < '3.3'
-    tests: sklearn
+    tests: scikit-learn
     tests: pandas<1.0.0
     tests: swat < 1.8.0         # v1.8 changed reflection on initial connect.  Need to re-record all cassettes before enabling.
     tests: kerberos ; platform_system != "Windows" and platform_system != "Darwin"