Format with rustfmt 0.4.2
diff --git a/src/lib.rs b/src/lib.rs
index 21becec..a465747 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -588,9 +588,9 @@
     use std::marker;
     use std::rc::Rc;
 
+    use imp;
     pub use TokenStream;
     use TokenTree;
-    use imp;
 
     pub struct IntoIter {
         inner: imp::TokenTreeIter,