Re-order imports

src/error.rs

@@ -1,9 +1,10 @@
-use rust_decimal::Error as DecimalError;
 use std::error::Error;
 use std::fmt;
 use std::num;
 use std::num::ParseIntError;
 
+use rust_decimal::Error as DecimalError;
+
 #[derive(Debug)]
 pub enum ParameterScanError {
     ParseIntError(num::ParseIntError),