dartfmt
diff --git a/lib/src/client.dart b/lib/src/client.dart
index 7d634e5..865b946 100644
--- a/lib/src/client.dart
+++ b/lib/src/client.dart
@@ -113,8 +113,8 @@
 
     var challenges;
     try {
-      challenges = AuthenticationChallenge
-          .parseHeader(response.headers['www-authenticate']);
+      challenges = AuthenticationChallenge.parseHeader(
+          response.headers['www-authenticate']);
     } on FormatException {
       return response;
     }