Fix Parameter Propagation for Tasks that have `include` (#1749)

* Update task.py

* Update __init__.py

lm_eval/api/task.py

@@ -99,7 +99,7 @@ class TaskConfig(dict):
     def __post_init__(self) -> None:
         if self.generation_kwargs is not None:
             if self.output_type != "generate_until":
-                raise ValueError(
+                eval_logger.warning(
                     f"[{self.task}] passed `generation_kwargs`, but not using `output_type: generate_until`!"
                 )
 

lm_eval/tasks/__init__.py

@@ -136,13 +136,14 @@ class TaskManager:
             if "include" in config:
                 if yaml_path is None:
                     raise ValueError
-                config.update(
-                    utils.load_yaml_config(
+                config = {
+                    **utils.load_yaml_config(
                         yaml_path,
                         yaml_config={"include": config.pop("include")},
                         mode="full",
-                    )
-                )
+                    ),
+                    **config,
+                }
             if self._config_is_python_task(config):
                 task_object = config["class"]()
             else: