We shouldn't need to convert schemas for 3.1.x

src/schemaHandler.js

@@ -15,6 +15,8 @@ class SchemaHandler {
       serverless.service?.provider?.apiGateway?.request?.schemas || {};
     this.documentation = serverless.service.custom.documentation;
     this.openAPI = openAPI;
+    this.shouldConvert = true;
+    if (/(3\.1\.\d)/g(this.openAPI.openapi)) this.shouldConvert = false;
 
     this.shouldConvert = true;
     if (/(3\.1\.\d)/g.test(this.openAPI.openapi)) this.shouldConvert = false;
@@ -165,6 +167,7 @@ class SchemaHandler {
         `dereferenced model: ${JSON.stringify(dereferencedSchema)}`
       );
 
+    if (this.shouldConvert) {
       this.logger.verbose(`converting model: ${name}`);
       const convertedSchemas = SchemaConvertor.convert(
         dereferencedSchema,
@@ -177,13 +180,7 @@ class SchemaHandler {
       return convertedSchemas;
     }
 
-    this.logger.verbose(
-      `dereferenced model: ${JSON.stringify({
-        schemas: { [name]: dereferencedSchema },
-      })}`
-    );
-
-    return { schemas: { [name]: dereferencedSchema } };
+    return dereferencedSchema;
   }
 
   async __dereferenceSchema(schema) {