From bbf463f7275b69053345630c61444b909d6e345d Mon Sep 17 00:00:00 2001
From: fbl100 <frank.levine@gmail.com>
Date: Wed, 3 Aug 2022 11:18:03 -0400
Subject: [PATCH] Issue 13043: converted an exception to a warning for doubly
 adding schemas to the includedSchemas list (#13070)

---
 .../languages/PythonExperimentalClientCodegen.java       | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonExperimentalClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonExperimentalClientCodegen.java
index d17480ee0290..e5fecbb684df 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonExperimentalClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonExperimentalClientCodegen.java
@@ -1687,13 +1687,12 @@ private MappedModel getDiscriminatorMappedModel(CodegenDiscriminator disc) {
      */
     private void addSchemaToIncludedSchemaList(List<Schema> includedSchemas, Schema schema) {
 
-        // if the schema is in the list, then throw an exception.
-        // this should never happen
+        // if the schema is in the list, issue a warning
         if(includedSchemas.contains(schema)) {
-            throw new RuntimeException("Attempted to add a schema to the includedSchemas list twice");
+            LOGGER.warn("Attempted to add a schema to the includedSchemas list twice");
+        } else {
+            includedSchemas.add(schema);
         }
-
-        includedSchemas.add(schema);
     }
 
     /***