diff --git a/deepspeed/inference/v2/engine_factory.py b/deepspeed/inference/v2/engine_factory.py
index 3cbb317519d6..ed1ecf717c21 100644
--- a/deepspeed/inference/v2/engine_factory.py
+++ b/deepspeed/inference/v2/engine_factory.py
@@ -20,8 +20,10 @@
 from .model_implementations.inference_policy_base import POLICIES, InferenceV2Policy
 from .model_implementations.flat_model_helpers import make_metadata_filename, ModelMetadata
 
-def buid_engine_from_ds_checkpoint(path:str, engine_config: RaggedInferenceEngineConfig,
-                    debug_level: int = logging.INFO) -> InferenceEngineV2:
+
+def buid_engine_from_ds_checkpoint(path: str,
+                                   engine_config: RaggedInferenceEngineConfig,
+                                   debug_level: int = logging.INFO) -> InferenceEngineV2:
 
     inference_logger(level=debug_level)
     # Load metadata, for grabbing the policy name we'll have all ranks just check for
@@ -42,6 +44,7 @@ def buid_engine_from_ds_checkpoint(path:str, engine_config: RaggedInferenceEngin
 
     return InferenceEngineV2(policy, engine_config)
 
+
 def build_hf_engine(path: str,
                     engine_config: RaggedInferenceEngineConfig,
                     debug_level: int = logging.INFO) -> InferenceEngineV2:
diff --git a/deepspeed/inference/v2/model_implementations/layer_container_base.py b/deepspeed/inference/v2/model_implementations/layer_container_base.py
index f0a1618c6605..98e3e0bb31ed 100644
--- a/deepspeed/inference/v2/model_implementations/layer_container_base.py
+++ b/deepspeed/inference/v2/model_implementations/layer_container_base.py
@@ -214,8 +214,8 @@ def _initialization_checker(self, check_device: bool = True) -> bool:
             if tensor is None:
                 continue
             elif not isinstance(tensor, InferenceParameter):
-                raise ValueError(
-                    "Layer should be finalized, but {} ({}) is neither InferenceParameter or None".format(name, type(tensor)))
+                raise ValueError("Layer should be finalized, but {} ({}) is neither InferenceParameter or None".format(
+                    name, type(tensor)))
             elif check_device and tensor.device != torch.device(get_accelerator().current_device()):
                 raise RuntimeError("Layer should be finalized, but {} is not on device {}".format(
                     name,
diff --git a/tests/unit/inference/v2/model_implementations/parameters/test_contiguify.py b/tests/unit/inference/v2/model_implementations/parameters/test_contiguify.py
index 8199185cbe48..52ff0e134dfc 100644
--- a/tests/unit/inference/v2/model_implementations/parameters/test_contiguify.py
+++ b/tests/unit/inference/v2/model_implementations/parameters/test_contiguify.py
@@ -81,10 +81,8 @@ def test_contiguify_roundtrip():
 
     non_transformer_params = [p.to(get_accelerator().current_device()) for p in non_transformer_params]
 
-    def validate_containers(t_containers: List[LayerContainer],
-                            n_t_containers: LayerContainer,
-                            t_params: List[List[torch.Tensor]],
-                            n_t_params: List[torch.Tensor]):
+    def validate_containers(t_containers: List[LayerContainer], n_t_containers: LayerContainer,
+                            t_params: List[List[torch.Tensor]], n_t_params: List[torch.Tensor]):
         """
         Validate params match what is on the containers.
         """
@@ -107,8 +105,7 @@ def validate_containers(t_containers: List[LayerContainer],
     buffer, metadata = flatten_inference_model(transformer_containers, non_transformer_container, "NoOpPolicy")
 
     # Validate containers before contiguify
-    validate_containers(transformer_containers, non_transformer_container, transformer_params,
-                        non_transformer_params)
+    validate_containers(transformer_containers, non_transformer_container, transformer_params, non_transformer_params)
 
     # Validate restore pass
     transformer_containers_r = []
@@ -121,5 +118,3 @@ def validate_containers(t_containers: List[LayerContainer],
 
     validate_containers(transformer_containers_r, non_transformer_container_r, transformer_params,
                         non_transformer_params)
-
-
diff --git a/tests/unit/inference/v2/model_implementations/parameters/test_mapping.py b/tests/unit/inference/v2/model_implementations/parameters/test_mapping.py
index 0feaaff72a7e..52313cb6f202 100644
--- a/tests/unit/inference/v2/model_implementations/parameters/test_mapping.py
+++ b/tests/unit/inference/v2/model_implementations/parameters/test_mapping.py
@@ -23,6 +23,7 @@ def finalize(self) -> torch.Tensor:
         param = torch.cat([self.dependency_1, self.dependency_2])
         return InferenceParameter.initialize(param)
 
+
 class ListDependencyContainer(ParameterBase):
 
     dependencies: ParamList("list_items")  # noqa: F821