Issue #10359: Remove useless (duplicate) initialization in _csv
diff --git a/Modules/_csv.c b/Modules/_csv.c
index 4584abc..a749cec 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -248,7 +248,7 @@
 static int
 dialect_check_quoting(int quoting)
 {
-    StyleDesc *qs = quote_styles;
+    StyleDesc *qs;
 
     for (qs = quote_styles; qs->name; qs++) {
         if (qs->style == quoting)