Index: lib/src/resource_owner_password_grant.dart |
diff --git a/lib/src/resource_owner_password_grant.dart b/lib/src/resource_owner_password_grant.dart |
index f67382be4b393fe1fd7ef3948029ee4b58eea2d9..5427ecc2d791217d4cec8a4c0c745717f74a7c2b 100644 |
--- a/lib/src/resource_owner_password_grant.dart |
+++ b/lib/src/resource_owner_password_grant.dart |
@@ -45,7 +45,7 @@ Future<Client> resourceOwnerPasswordGrant( |
"password": password |
}; |
- var headers = {}; |
+ var headers = <String, String>{}; |
if (identifier != null) { |
if (basicAuth) { |