Re-order imports

src/export/csv.rs

@@ -1,13 +1,12 @@
-use super::Exporter;
-
-use crate::benchmark_result::BenchmarkResult;
-use crate::units::Unit;
-
 use std::borrow::Cow;
 use std::io::{Error, ErrorKind, Result};
 
 use csv::WriterBuilder;
 
+use super::Exporter;
+use crate::benchmark_result::BenchmarkResult;
+use crate::units::Unit;
+
 #[derive(Default)]
 pub struct CsvExporter {}