Reorder keygen.rs use statements
* limitations under the License.
* ------------------------------------------------------------------------------
*/
-use crate::error::CliError;
-use sawtooth_sdk::signing;
+
use std::fs::{self, OpenOptions};
use std::io::prelude::*;
use std::os::unix::fs::OpenOptionsExt;
use std::path::PathBuf;
+
+use sawtooth_sdk::signing;
use users::get_current_username;
+use crate::error::CliError;
+
/// Generates a public/private key pair that can be used to sign transactions.
/// If no directory is provided, the keys are created in the default directory
///
