fixup! Fix old rust again.
diff --git a/src/attr.rs b/src/attr.rs
index c98a969..0edace9 100644
--- a/src/attr.rs
+++ b/src/attr.rs
@@ -307,6 +307,7 @@
     use lit::{Lit, StrStyle};
     use mac::{Token, TokenTree};
     use quote::{Tokens, ToTokens};
+    use ty::Path;
 
     impl ToTokens for Attribute {
         fn to_tokens(&self, tokens: &mut Tokens) {