Update training requirements

Author: baatout

training/requirements.txt

@@ -1,10 +1,10 @@
-dill==0.2.7.1
-numpy==1.13.1
-pandas==0.20.3
-python-dateutil==2.6.1
-pytz==2017.2
-scikit-learn==0.19.0
-scipy==0.19.1
-six==1.10.0
+dill==0.2.8.2
+numpy==1.15.1
+pandas==0.23.4
+python-dateutil==2.7.3
+pytz==2018.5
+scikit-learn==0.19.2
+scipy==1.1.0
+six==1.11.0
 sklearn==0.0
-sklearn-pandas==1.5.0
+sklearn-pandas==1.7.0