fix import

src/diffusers/pipelines/chroma/pipeline_chroma.py

@@ -182,7 +182,6 @@ class ChromaPipeline(
         transformer: ChromaTransformer2DModel,
         image_encoder: CLIPVisionModelWithProjection = None,
         feature_extractor: CLIPImageProcessor = None,
-        variant: str = "flux",
     ):
         super().__init__()
 

src/diffusers/utils/dummy_torch_and_transformers_objects.py

@@ -287,6 +287,21 @@ class CLIPImageProjection(metaclass=DummyObject):
         requires_backends(cls, ["torch", "transformers"])
 
 
+class ChromaPipeline(metaclass=DummyObject):
+    _backends = ["torch", "transformers"]
+
+    def __init__(self, *args, **kwargs):
+        requires_backends(self, ["torch", "transformers"])
+
+    @classmethod
+    def from_config(cls, *args, **kwargs):
+        requires_backends(cls, ["torch", "transformers"])
+
+    @classmethod
+    def from_pretrained(cls, *args, **kwargs):
+        requires_backends(cls, ["torch", "transformers"])
+
+
 class CogVideoXFunControlPipeline(metaclass=DummyObject):
     _backends = ["torch", "transformers"]