binding for x and y in the similarity code to the class so that I can reuse them in the test code
binding for x and y in the similarity code to the class so that I can reuse them in the test code

snurkabill/pydeeplearn,snurkabill/pydeeplearn,mihaelacr/pydeeplearn,Warvito/pydeeplearn,Warvito/pydeeplearn