Update rand.

examples/parabole.rs

@@ -1,10 +1,9 @@
 use std::cmp::Ordering;
 
+use genetisk::{Individual, Simulation, Wrapper};
 use rand::distributions::{IndependentSample, Range};
 use rayon::prelude::*;
 
-use genetisk::{Individual, Simulation, Wrapper};
-
 #[derive(Clone, Copy, Debug)]
 struct Fitness(f64);