Index: lib/src/authorization_code_grant.dart |
diff --git a/lib/src/authorization_code_grant.dart b/lib/src/authorization_code_grant.dart |
index 1cb45dae32f2ddfdc4c4f5388c6246810d7ae495..bd44c6a0723b4605a3bc74fae75762829df38fa2 100644 |
--- a/lib/src/authorization_code_grant.dart |
+++ b/lib/src/authorization_code_grant.dart |
@@ -240,7 +240,7 @@ class AuthorizationCodeGrant { |
Future<Client> _handleAuthorizationCode(String authorizationCode) async { |
var startTime = new DateTime.now(); |
- var headers = {}; |
+ var headers = <String, String>{}; |
var body = { |
"grant_type": "authorization_code", |