[tests] remove nullop import checks from lora tests (#10273)

remove nullop imports

tests/lora/test_lora_layers_cogvideox.py

@@ -29,7 +29,6 @@ from diffusers import (
 )
 from diffusers.utils.testing_utils import (
     floats_tensor,
-    is_peft_available,
     is_torch_version,
     require_peft_backend,
     skip_mps,
@@ -37,9 +36,6 @@ from diffusers.utils.testing_utils import (
 )
 
 
-if is_peft_available():
-    pass
-
 sys.path.append(".")
 
 from utils import PeftLoraLoaderMixinTests, check_if_lora_correctly_set  # noqa: E402

tests/lora/test_lora_layers_mochi.py

@@ -23,7 +23,6 @@ from transformers import AutoTokenizer, T5EncoderModel
 from diffusers import AutoencoderKLMochi, FlowMatchEulerDiscreteScheduler, MochiPipeline, MochiTransformer3DModel
 from diffusers.utils.testing_utils import (
     floats_tensor,
-    is_peft_available,
     is_torch_version,
     require_peft_backend,
     skip_mps,
@@ -31,9 +30,6 @@ from diffusers.utils.testing_utils import (
 )
 
 
-if is_peft_available():
-    pass
-
 sys.path.append(".")
 
 from utils import PeftLoraLoaderMixinTests, check_if_lora_correctly_set  # noqa: E402

tests/lora/test_lora_layers_sd3.py

@@ -29,7 +29,6 @@ from diffusers import (
 from diffusers.utils import load_image
 from diffusers.utils.import_utils import is_accelerate_available
 from diffusers.utils.testing_utils import (
-    is_peft_available,
     numpy_cosine_similarity_distance,
     require_peft_backend,
     require_torch_gpu,
@@ -37,9 +36,6 @@ from diffusers.utils.testing_utils import (
 )
 
 
-if is_peft_available():
-    pass
-
 sys.path.append(".")
 
 from utils import PeftLoraLoaderMixinTests  # noqa: E402