🐛 Fix convert underscores logic for OpenAPI

2 weeks ago · 8c0df783ce
1 changed files with 6 additions and 1 deletions
--- a/fastapi/openapi/utils.py
+++ b/fastapi/openapi/utils.py
@ -135,10 +135,15 @@ def _get_openapi_operation_parameters(
                separate_input_output_schemas=separate_input_output_schemas,
            )
            name = param.alias
+            convert_underscores = getattr(
+                param.field_info,
+                "convert_underscores",
+                default_convert_underscores,
+            )
            if (
                param_type == ParamTypes.header
                and param.alias == param.name
-                and default_convert_underscores
+                and convert_underscores
            ):
                name = param.name.replace("_", "-")