diff -r 9bd6854aab86 -r 73ab542565e0 mercurial/dispatch.py
--- a/mercurial/dispatch.py	Sun Jan 05 22:00:40 2025 -0500
+++ b/mercurial/dispatch.py	Sun Jan 05 22:12:02 2025 -0500
@@ -846,7 +846,7 @@
 
     for cfg in config:
         try:
-            name, value = [cfgelem.strip() for cfgelem in cfg.split(b'=', 1)]
+            name, value = (cfgelem.strip() for cfgelem in cfg.split(b'=', 1))
             section, name = name.split(b'.', 1)
             if not section or not name:
                 raise IndexError