--- a/mercurial/HGCommandParser.st	Thu Dec 19 19:45:26 2019 +0100
+++ b/mercurial/HGCommandParser.st	Tue Jan 21 16:06:56 2020 +0100
@@ -1153,7 +1153,7 @@
         line := word , (line ? '')
     ].
 
-    (line includesSubString: 'mercurial_keyring.py') ifTrue:[
+    (line includesString: 'mercurial_keyring.py') ifTrue:[
         (line endsWith: 'UserWarning: Basic Auth Realm was unquoted') ifTrue:[
             stream nextLine.
         ].