diff --git a/benches/gaussian.rs b/benches/gaussian.rs
index 133933b..87b9361 100644
--- a/benches/gaussian.rs
+++ b/benches/gaussian.rs
@@ -1,4 +1,4 @@
-use criterion::{criterion_group, criterion_main, Criterion};
+use criterion::{Criterion, criterion_group, criterion_main};
 use trueskill_tt::gaussian::Gaussian;
 
 fn benchmark_gaussian_arithmetic(criterion: &mut Criterion) {
@@ -6,36 +6,36 @@ fn benchmark_gaussian_arithmetic(criterion: &mut Criterion) {
     let g1 = Gaussian::from_ms(25.0, 25.0 / 3.0);
     let g2 = Gaussian::from_ms(0.0, 1.0);
     let g3 = Gaussian::from_ms(1.0, 1.0);
-    
+
     // Benchmark addition
     criterion.bench_function("Gaussian::add", |bencher| {
         bencher.iter(|| g1 + g2);
     });
-    
+
     // Benchmark subtraction
     criterion.bench_function("Gaussian::sub", |bencher| {
         bencher.iter(|| g1 - g3);
     });
-    
+
     // Benchmark multiplication
     criterion.bench_function("Gaussian::mul", |bencher| {
         bencher.iter(|| g1 * g2);
     });
-    
+
     // Benchmark division
     criterion.bench_function("Gaussian::div", |bencher| {
         bencher.iter(|| g1 / g2);
     });
-    
+
     // Benchmark natural parameter conversions
     criterion.bench_function("Gaussian::pi", |bencher| {
         bencher.iter(|| g1.pi());
     });
-    
+
     criterion.bench_function("Gaussian::tau", |bencher| {
         bencher.iter(|| g1.tau());
     });
-    
+
     // Benchmark combined pi/tau operations (used in mul/div)
     criterion.bench_function("Gaussian::pi_tau_combined", |bencher| {
         bencher.iter(|| {
diff --git a/examples/atp.rs b/examples/atp.rs
index e4027dc..739b33f 100644
--- a/examples/atp.rs
+++ b/examples/atp.rs
@@ -159,10 +159,12 @@ fn main() {
 }
 
 mod csv {
-    use std::fs::File;
-    use std::io::{self, BufRead, BufReader, Lines};
-    use std::ops;
-    use std::path::Path;
+    use std::{
+        fs::File,
+        io::{self, BufRead, BufReader, Lines},
+        ops,
+        path::Path,
+    };
 
     pub struct Reader {
         header_map: Vec<String>,
diff --git a/src/batch.rs b/src/batch.rs
index e4ec886..4e2ebf4 100644
--- a/src/batch.rs
+++ b/src/batch.rs
@@ -391,9 +391,8 @@ pub(crate) fn compute_elapsed(last_time: i64, actual_time: i64) -> i64 {
 mod tests {
     use approx::assert_ulps_eq;
 
-    use crate::{IndexMap, agent::Agent, drift::ConstantDrift, player::Player};
-
     use super::*;
+    use crate::{IndexMap, agent::Agent, drift::ConstantDrift, player::Player};
 
     #[test]
     fn test_one_event_each() {
diff --git a/src/game.rs b/src/game.rs
index a43c8c6..c82bdf1 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -203,9 +203,8 @@ impl<'a, D: Drift> Game<'a, D> {
 mod tests {
     use ::approx::assert_ulps_eq;
 
-    use crate::{ConstantDrift, GAMMA, Gaussian, N_INF, Player};
-
     use super::*;
+    use crate::{ConstantDrift, GAMMA, Gaussian, N_INF, Player};
 
     #[test]
     fn test_1vs1() {
diff --git a/src/history.rs b/src/history.rs
index edd161f..76a8f24 100644
--- a/src/history.rs
+++ b/src/history.rs
@@ -433,9 +433,8 @@ impl<D: Drift> History<D> {
 mod tests {
     use approx::assert_ulps_eq;
 
-    use crate::{ConstantDrift, EPSILON, Game, Gaussian, ITERATIONS, IndexMap, P_DRAW, Player};
-
     use super::*;
+    use crate::{ConstantDrift, EPSILON, Game, Gaussian, ITERATIONS, IndexMap, P_DRAW, Player};
 
     #[test]
     fn test_init() {
diff --git a/src/lib.rs b/src/lib.rs
index 80761cf..7b45803 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,8 +1,10 @@
-use std::borrow::{Borrow, ToOwned};
-use std::cmp::Reverse;
-use std::collections::HashMap;
-use std::f64::consts::{FRAC_1_SQRT_2, FRAC_2_SQRT_PI, SQRT_2};
-use std::hash::Hash;
+use std::{
+    borrow::{Borrow, ToOwned},
+    cmp::Reverse,
+    collections::HashMap,
+    f64::consts::{FRAC_1_SQRT_2, FRAC_2_SQRT_PI, SQRT_2},
+    hash::Hash,
+};
 
 pub mod agent;
 #[cfg(feature = "approx")]