fix SyntaxWarning: "is" with a literal. Did you mean "=="?
fix SyntaxWarning: "is" with a literal. Did you mean "=="?


jhillairet/scikit-rf,temmeand/scikit-rf,scikit-rf/scikit-rf,temmeand/scikit-rf,jhillairet/scikit-rf,scikit-rf/scikit-rf,jhillairet/scikit-rf,temmeand/scikit-rf