clean up formatting in bounds calc
package io.improbable.keanu.algorithms.variational.optimizer.nongradient;
-import io.improbable.keanu.algorithms.variational.optimizer.KeanuProbabilisticGraph;
import io.improbable.keanu.algorithms.variational.optimizer.VariableReference;
import io.improbable.keanu.tensor.TensorShape;
import io.improbable.keanu.tensor.dbl.DoubleTensor;
@@ -13,7 +12,6 @@ import java.util.Arrays;
import java.util.List;
import java.util.Map;
-import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toMap;
/**
