diff --git a/modules/openapi-generator/src/main/resources/python/model_generic.mustache b/modules/openapi-generator/src/main/resources/python/model_generic.mustache
index ab4a7e236b82..670bb1ff2a3a 100644
--- a/modules/openapi-generator/src/main/resources/python/model_generic.mustache
+++ b/modules/openapi-generator/src/main/resources/python/model_generic.mustache
@@ -279,7 +279,7 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
                         else None
                 )
                 for _k, _v in obj.get("{{{baseName}}}").items()
-            )
+            ){{^-last}},{{/-last}}
             {{/items.isArray}}
             {{/items.isContainer}}
             {{^items.isContainer}}