Fixed a bug in Decision Tree Learner (#334)
Fixed a bug in Decision Tree Learner (#334)


aimacode/aima-python,jo-tez/aima-python,sofmonk/aima-python,jo-tez/aima-python,sofmonk/aima-python,Chipe1/aima-python,aimacode/aima-python,SnShine/aima-python,SnShine/aima-python,Chipe1/aima-python