CheckVersion(): Do not call versions.Update, and do not set the

data_version attribute, unless the list is locked.

1 files changed, 4 insertions, 3 deletions

diff --git a/Mailman/MailList.py b/Mailman/MailList.py
index d9f9ab93d..c495811e4 100644
--- a/Mailman/MailList.py
+++ b/Mailman/MailList.py
@@ -913,9 +913,10 @@ it will not be changed."""),
 	else:
 	    self.InitVars() # Init any new variables, 
 	    self.Load(check_version = 0) # then reload the file
-            from versions import Update
-            Update(self, stored_state)
-	    self.data_version = mm_cfg.DATA_FILE_VERSION
+            if self.Locked():
+                from versions import Update
+                Update(self, stored_state)
+                self.data_version = mm_cfg.DATA_FILE_VERSION
         if self.Locked():
             self.Save()