Update pipeline_lumina2.py

Author: hlky

src/diffusers/pipelines/lumina2/pipeline_lumina2.py

@@ -776,8 +776,8 @@ def __init__(
         transformer: Lumina2Transformer2DModel,
         scheduler: FlowMatchEulerDiscreteScheduler,
         vae: AutoencoderKL,
-        text_encoder: AutoModel,
-        tokenizer: AutoTokenizer,
+        text_encoder: Gemma2PreTrainedModel,
+        tokenizer: Union[GemmaTokenizer, GemmaTokenizerFast],
     ):
         deprecation_message = "`Lumina2Text2ImgPipeline` has been renamed to `Lumina2Pipeline` and will be removed in a future version. Please use `Lumina2Pipeline` instead."
         deprecate("diffusers.pipelines.lumina2.pipeline_lumina2.Lumina2Text2ImgPipeline", "0.34", deprecation_message)