diff --git a/invokeai/backend/util/hotfixes.py b/invokeai/backend/util/hotfixes.py
index 9c643d13bc..89b3da5a37 100644
--- a/invokeai/backend/util/hotfixes.py
+++ b/invokeai/backend/util/hotfixes.py
@@ -6,7 +6,13 @@ from torch import nn
 from diffusers.configuration_utils import ConfigMixin, register_to_config
 from diffusers.loaders import FromOriginalControlnetMixin
 from diffusers.models.attention_processor import AttentionProcessor, AttnProcessor
-from diffusers.models.embeddings import TextImageProjection, TextImageTimeEmbedding, TextTimeEmbedding, TimestepEmbedding, Timesteps
+from diffusers.models.embeddings import (
+    TextImageProjection,
+    TextImageTimeEmbedding,
+    TextTimeEmbedding,
+    TimestepEmbedding,
+    Timesteps,
+)
 from diffusers.models.modeling_utils import ModelMixin
 from diffusers.models.unet_2d_blocks import (
     CrossAttnDownBlock2D,
@@ -22,6 +28,7 @@ from diffusers.models.controlnet import ControlNetConditioningEmbedding, Control
 # TODO: create PR to diffusers
 # Modified ControlNetModel with encoder_attention_mask argument added
 
+
 class ControlNetModel(ModelMixin, ConfigMixin, FromOriginalControlnetMixin):
     """
     A ControlNet model.
@@ -736,9 +743,7 @@ class ControlNetModel(ModelMixin, ConfigMixin, FromOriginalControlnetMixin):
             mid_block_res_sample = mid_block_res_sample * conditioning_scale
 
         if self.config.global_pool_conditions:
-            down_block_res_samples = [
-                torch.mean(sample, dim=(2, 3), keepdim=True) for sample in down_block_res_samples
-            ]
+            down_block_res_samples = [torch.mean(sample, dim=(2, 3), keepdim=True) for sample in down_block_res_samples]
             mid_block_res_sample = torch.mean(mid_block_res_sample, dim=(2, 3), keepdim=True)
 
         if not return_dict:
@@ -749,6 +754,5 @@ class ControlNetModel(ModelMixin, ConfigMixin, FromOriginalControlnetMixin):
         )
 
 
-
 diffusers.ControlNetModel = ControlNetModel
 diffusers.models.controlnet.ControlNetModel = ControlNetModel