diff --git a/examples/poll_sysfs.rs b/examples/poll_sysfs.rs
index 28d80a2c..11d531cd 100644
--- a/examples/poll_sysfs.rs
+++ b/examples/poll_sysfs.rs
@@ -1,48 +1,52 @@
-use std::path::Path;
-use std::time::Duration;
 use notify::poll::PollWatcherConfig;
 use notify::{PollWatcher, RecursiveMode, Watcher};
+use std::path::Path;
+use std::time::Duration;
 
 #[cfg(not(target_os = "windows"))]
 fn not_windows_main() -> notify::Result<()> {
-  let mut paths: Vec<_> = std::env::args().skip(1)
-      .map(|arg| Path::new(&arg).to_path_buf())
-      .collect();
-  if paths.is_empty() {
-    let lo_stats = Path::new("/sys/class/net/lo/statistics/tx_bytes").to_path_buf();
-    if !lo_stats.exists() {
-      eprintln!("Must provide path to watch, default system path was not found (probably you're not running on Linux?)");
-      std::process::exit(1);
+    let mut paths: Vec<_> = std::env::args()
+        .skip(1)
+        .map(|arg| Path::new(&arg).to_path_buf())
+        .collect();
+    if paths.is_empty() {
+        let lo_stats = Path::new("/sys/class/net/lo/statistics/tx_bytes").to_path_buf();
+        if !lo_stats.exists() {
+            eprintln!("Must provide path to watch, default system path was not found (probably you're not running on Linux?)");
+            std::process::exit(1);
+        }
+        println!(
+            "Trying {:?}, use `ping localhost` to see changes!",
+            lo_stats
+        );
+        paths.push(lo_stats);
     }
-    println!("Trying {:?}, use `ping localhost` to see changes!", lo_stats);
-    paths.push(lo_stats);
-  }
 
-  println!("watching {:?}...", paths);
+    println!("watching {:?}...", paths);
 
-  let config = PollWatcherConfig {
-    compare_contents: true,
-    poll_interval: Duration::from_secs(2),
-  };
-  let (tx, rx) = std::sync::mpsc::channel();
-  let mut watcher = PollWatcher::with_config(tx, config)?;
-  for path in paths {
-    watcher.watch(&path, RecursiveMode::Recursive)?;
-  }
+    let config = PollWatcherConfig {
+        compare_contents: true,
+        poll_interval: Duration::from_secs(2),
+    };
+    let (tx, rx) = std::sync::mpsc::channel();
+    let mut watcher = PollWatcher::with_config(tx, config)?;
+    for path in paths {
+        watcher.watch(&path, RecursiveMode::Recursive)?;
+    }
 
-  for res in rx {
-    match res {
-      Ok(event) => println!("changed: {:?}", event),
-      Err(e) => println!("watch error: {:?}", e),
+    for res in rx {
+        match res {
+            Ok(event) => println!("changed: {:?}", event),
+            Err(e) => println!("watch error: {:?}", e),
+        }
     }
-  }
 
-  Ok(())
+    Ok(())
 }
 
 fn main() -> notify::Result<()> {
-  #[cfg(not(target_os = "windows"))]
-  {
-    not_windows_main()
-  }
-}
\ No newline at end of file
+    #[cfg(not(target_os = "windows"))]
+    {
+        not_windows_main()
+    }
+}