io: formatting

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

proxmox-io/src/std_channel_writer.rs

@@ -1,19 +1,19 @@
 use std::io::Write;
-use std::sync::mpsc::SyncSender;
 use std::string::ToString;
+use std::sync::mpsc::SyncSender;
 
 /// Wrapper around SyncSender, which implements Write
 ///
 /// Each write in translated into a send(Vec<u8>).
 pub struct StdChannelWriter<E>(SyncSender<Result<Vec<u8>, E>>);
 
-impl <E: ToString> StdChannelWriter<E> {
+impl<E: ToString> StdChannelWriter<E> {
     pub fn new(sender: SyncSender<Result<Vec<u8>, E>>) -> Self {
         Self(sender)
     }
 }
 
-impl <E: ToString> Write for StdChannelWriter<E> {
+impl<E: ToString> Write for StdChannelWriter<E> {
     fn write(&mut self, buf: &[u8]) -> Result<usize, std::io::Error> {
         self.0
             .send(Ok(buf.to_vec()))