From 4822f5937225daf7df26cc92fb96c44c459fb2de Mon Sep 17 00:00:00 2001
From: hughsimpson <hsimpson@rzsoftware.com>
Date: Fri, 26 Jul 2024 14:17:12 +0100
Subject: [PATCH] codegen: ensure schemas are distinct when splitting across
 ranges (#3957)

---
 .../src/main/scala/sttp/tapir/codegen/SchemaGenerator.scala     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openapi-codegen/core/src/main/scala/sttp/tapir/codegen/SchemaGenerator.scala b/openapi-codegen/core/src/main/scala/sttp/tapir/codegen/SchemaGenerator.scala
index 1ce9d39dda..cf9b2582ac 100644
--- a/openapi-codegen/core/src/main/scala/sttp/tapir/codegen/SchemaGenerator.scala
+++ b/openapi-codegen/core/src/main/scala/sttp/tapir/codegen/SchemaGenerator.scala
@@ -148,7 +148,7 @@ object SchemaGenerator {
       // Select next candidate. Order lexicographically for stable output
       val next = initialSet.minBy(_._1)
       recurse(next)
-      res += nextRing.sortBy(_._1)
+      res += nextRing.distinct.sortBy(_._1)
     }
     res.toSeq
   }