- default value argument for interpolation

src/metric.rs

@@ -9,8 +9,7 @@ use itertools::Itertools;
 use ndarray::{Array, Array1, Array2, Array3, AsArray, Axis, Dimension, s};
 use num::cast::AsPrimitive;
 use rand::RngExt;
-use rayon::iter::IntoParallelIterator;
-use rayon::iter::ParallelIterator;
+use rayon::iter::{ParallelIterator, IntoParallelIterator};
 use serde::{Deserialize, Serialize};
 use std::cell::RefCell;
 use std::ops::Deref;