diff --git a/invokeai/app/invocations/baseinvocation.py b/invokeai/app/invocations/baseinvocation.py
index 9084a7bf48..715ee5ca6e 100644
--- a/invokeai/app/invocations/baseinvocation.py
+++ b/invokeai/app/invocations/baseinvocation.py
@@ -3,10 +3,10 @@
 from __future__ import annotations
 
 import json
+import re
 from abc import ABC, abstractmethod
 from enum import Enum
 from inspect import signature
-import re
 from typing import (
     TYPE_CHECKING,
     AbstractSet,
@@ -23,10 +23,10 @@ from typing import (
     get_type_hints,
 )
 
-from pydantic import BaseModel, Field, validator
-from pydantic.fields import Undefined, ModelField
-from pydantic.typing import NoArgAnyCallable
 import semver
+from pydantic import BaseModel, Field, validator
+from pydantic.fields import ModelField, Undefined
+from pydantic.typing import NoArgAnyCallable
 
 from invokeai.app.services.config.invokeai_config import InvokeAIAppConfig
 
diff --git a/invokeai/app/invocations/cv.py b/invokeai/app/invocations/cv.py
index 866b1c7894..cbe76091d6 100644
--- a/invokeai/app/invocations/cv.py
+++ b/invokeai/app/invocations/cv.py
@@ -7,6 +7,7 @@ from PIL import Image, ImageOps
 
 from invokeai.app.invocations.primitives import ImageField, ImageOutput
 from invokeai.app.models.image import ImageCategory, ResourceOrigin
+
 from .baseinvocation import BaseInvocation, InputField, InvocationContext, invocation
 
 
diff --git a/invokeai/app/invocations/latent.py b/invokeai/app/invocations/latent.py
index 8fde088b36..b764b3b336 100644
--- a/invokeai/app/invocations/latent.py
+++ b/invokeai/app/invocations/latent.py
@@ -34,8 +34,8 @@ from invokeai.app.util.step_callback import stable_diffusion_step_callback
 from invokeai.backend.model_management.models import ModelType, SilenceWarnings
 
 from ...backend.model_management.lora import ModelPatcher
-from ...backend.model_management.seamless import set_seamless
 from ...backend.model_management.models import BaseModelType
+from ...backend.model_management.seamless import set_seamless
 from ...backend.stable_diffusion import PipelineIntermediateState
 from ...backend.stable_diffusion.diffusers_pipeline import (
     ConditioningData,
diff --git a/invokeai/app/services/config/__init__.py b/invokeai/app/services/config/__init__.py
index 94eafac10a..a404f33638 100644
--- a/invokeai/app/services/config/__init__.py
+++ b/invokeai/app/services/config/__init__.py
@@ -2,8 +2,5 @@
 Init file for InvokeAI configure package
 """
 
-from .invokeai_config import (  # noqa F401
-    InvokeAIAppConfig,
-    get_invokeai_config,
-)
 from .base import PagingArgumentParser  # noqa F401
+from .invokeai_config import InvokeAIAppConfig, get_invokeai_config  # noqa F401
diff --git a/invokeai/app/services/config/base.py b/invokeai/app/services/config/base.py
index 33fd87b03a..02c6f15140 100644
--- a/invokeai/app/services/config/base.py
+++ b/invokeai/app/services/config/base.py
@@ -9,15 +9,17 @@ the command line.
 """
 
 from __future__ import annotations
+
 import argparse
 import os
 import pydoc
 import sys
 from argparse import ArgumentParser
-from omegaconf import OmegaConf, DictConfig, ListConfig
 from pathlib import Path
+from typing import ClassVar, Dict, List, Literal, Union, get_args, get_origin, get_type_hints
+
+from omegaconf import DictConfig, ListConfig, OmegaConf
 from pydantic import BaseSettings
-from typing import ClassVar, Dict, List, Literal, Union, get_origin, get_type_hints, get_args
 
 
 class PagingArgumentParser(argparse.ArgumentParser):
diff --git a/invokeai/app/services/config/invokeai_config.py b/invokeai/app/services/config/invokeai_config.py
index 7b687a28a1..237aec5205 100644
--- a/invokeai/app/services/config/invokeai_config.py
+++ b/invokeai/app/services/config/invokeai_config.py
@@ -172,9 +172,9 @@ from __future__ import annotations
 
 import os
 from pathlib import Path
-from typing import ClassVar, Dict, List, Literal, Union, get_type_hints, Optional
+from typing import ClassVar, Dict, List, Literal, Optional, Union, get_type_hints
 
-from omegaconf import OmegaConf, DictConfig
+from omegaconf import DictConfig, OmegaConf
 from pydantic import Field, parse_obj_as
 
 from .base import InvokeAISettings
diff --git a/invokeai/app/services/graph.py b/invokeai/app/services/graph.py
index c47d437956..90f0ec51d1 100644
--- a/invokeai/app/services/graph.py
+++ b/invokeai/app/services/graph.py
@@ -14,12 +14,12 @@ from ..invocations import *  # noqa: F401 F403
 from ..invocations.baseinvocation import (
     BaseInvocation,
     BaseInvocationOutput,
-    invocation,
     Input,
     InputField,
     InvocationContext,
     OutputField,
     UIType,
+    invocation,
     invocation_output,
 )
 
diff --git a/invokeai/backend/install/invokeai_configure.py b/invokeai/backend/install/invokeai_configure.py
index e22f9dfb9e..0b3f50e3fc 100755
--- a/invokeai/backend/install/invokeai_configure.py
+++ b/invokeai/backend/install/invokeai_configure.py
@@ -18,7 +18,7 @@ from argparse import Namespace
 from enum import Enum
 from pathlib import Path
 from shutil import get_terminal_size
-from typing import get_type_hints, get_args, Any
+from typing import Any, get_args, get_type_hints
 from urllib import request
 
 import npyscreen
@@ -46,17 +46,13 @@ from invokeai.frontend.install.model_install import addModelsForm, process_and_e
 
 # TO DO - Move all the frontend code into invokeai.frontend.install
 from invokeai.frontend.install.widgets import (
-    SingleSelectColumnsSimple,
-    MultiSelectColumns,
-    CenteredButtonPress,
-    FileBox,
-    set_min_terminal_size,
-    CyclingForm,
     MIN_COLS,
     MIN_LINES,
     CenteredButtonPress,
     CyclingForm,
     FileBox,
+    MultiSelectColumns,
+    SingleSelectColumnsSimple,
     WindowTooSmallException,
     set_min_terminal_size,
 )
diff --git a/invokeai/backend/stable_diffusion/diffusers_pipeline.py b/invokeai/backend/stable_diffusion/diffusers_pipeline.py
index f96e5e9420..fc4442c2d6 100644
--- a/invokeai/backend/stable_diffusion/diffusers_pipeline.py
+++ b/invokeai/backend/stable_diffusion/diffusers_pipeline.py
@@ -23,13 +23,9 @@ from pydantic import Field
 from transformers import CLIPFeatureExtractor, CLIPTextModel, CLIPTokenizer
 
 from invokeai.app.services.config import InvokeAIAppConfig
-from .diffusion import (
-    AttentionMapSaver,
-    InvokeAIDiffuserComponent,
-    PostprocessingSettings,
-    BasicConditioningInfo,
-)
-from ..util import normalize_device, auto_detect_slice_size
+
+from ..util import auto_detect_slice_size, normalize_device
+from .diffusion import AttentionMapSaver, BasicConditioningInfo, InvokeAIDiffuserComponent, PostprocessingSettings
 
 
 @dataclass
diff --git a/invokeai/backend/util/__init__.py b/invokeai/backend/util/__init__.py
index a8d53f54a4..601aab00cb 100644
--- a/invokeai/backend/util/__init__.py
+++ b/invokeai/backend/util/__init__.py
@@ -1,6 +1,7 @@
 """
 Initialization file for invokeai.backend.util
 """
+from .attention import auto_detect_slice_size  # noqa: F401
 from .devices import (  # noqa: F401
     CPU_DEVICE,
     CUDA_DEVICE,
@@ -10,11 +11,4 @@ from .devices import (  # noqa: F401
     normalize_device,
     torch_dtype,
 )
-from .util import (  # noqa: F401
-    ask_user,
-    download_with_resume,
-    instantiate_from_config,
-    url_attachment_name,
-    Chdir,
-)
-from .attention import auto_detect_slice_size  # noqa: F401
+from .util import Chdir, ask_user, download_with_resume, instantiate_from_config, url_attachment_name  # noqa: F401
diff --git a/invokeai/backend/util/attention.py b/invokeai/backend/util/attention.py
index a821464394..910933044e 100644
--- a/invokeai/backend/util/attention.py
+++ b/invokeai/backend/util/attention.py
@@ -3,8 +3,8 @@
 Utility routine used for autodetection of optimal slice size
 for attention mechanism.
 """
-import torch
 import psutil
+import torch
 
 
 def auto_detect_slice_size(latents: torch.Tensor) -> str:
diff --git a/tests/nodes/test_node_graph.py b/tests/nodes/test_node_graph.py
index cce2fae9ed..4793e6ffa6 100644
--- a/tests/nodes/test_node_graph.py
+++ b/tests/nodes/test_node_graph.py
@@ -1,4 +1,5 @@
 import pytest
+
 from invokeai.app.invocations.baseinvocation import (
     BaseInvocation,
     BaseInvocationOutput,
@@ -6,29 +7,10 @@ from invokeai.app.invocations.baseinvocation import (
     invocation,
     invocation_output,
 )
-from .test_nodes import (
-    ImageToImageTestInvocation,
-    TextToImageTestInvocation,
-    ListPassThroughInvocation,
-    PromptTestInvocation,
-)
-from invokeai.app.services.graph import (
-    Edge,
-    Graph,
-    GraphInvocation,
-    InvalidEdgeError,
-    NodeAlreadyInGraphError,
-    NodeNotFoundError,
-    are_connections_compatible,
-    EdgeConnection,
-    CollectInvocation,
-    IterateInvocation,
-)
-from invokeai.app.invocations.upscale import ESRGANInvocation
-
 from invokeai.app.invocations.image import ShowImageInvocation
 from invokeai.app.invocations.math import AddInvocation, SubtractInvocation
 from invokeai.app.invocations.primitives import FloatInvocation, IntegerInvocation
+from invokeai.app.invocations.upscale import ESRGANInvocation
 from invokeai.app.services.default_graphs import create_text_to_image
 from invokeai.app.services.graph import (
     CollectInvocation,
diff --git a/tests/nodes/test_nodes.py b/tests/nodes/test_nodes.py
index 3a28c53819..1a07b59828 100644
--- a/tests/nodes/test_nodes.py
+++ b/tests/nodes/test_nodes.py
@@ -1,5 +1,7 @@
 from typing import Any, Callable, Union
+
 from pydantic import Field
+
 from invokeai.app.invocations.baseinvocation import (
     BaseInvocation,
     BaseInvocationOutput,
diff --git a/tests/test_config.py b/tests/test_config.py
index d915316a10..a950a9c06f 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -73,6 +73,8 @@ def test_use_init(patch_rootdir):
 
 
 def test_legacy():
+    from invokeai.app.services.config import InvokeAIAppConfig
+
     conf = InvokeAIAppConfig.get_config()
     assert conf
     conf.parse_args(conf=init3, argv=[])
@@ -84,6 +86,8 @@ def test_legacy():
 
 
 def test_argv_override():
+    from invokeai.app.services.config import InvokeAIAppConfig
+
     conf = InvokeAIAppConfig.get_config()
     conf.parse_args(conf=init1, argv=["--always_use_cpu", "--max_cache=10"])
     assert conf.always_use_cpu
@@ -165,6 +169,7 @@ def test_type_coercion(patch_rootdir):
 )
 def test_deny_nodes(patch_rootdir):
     from invokeai.app.services.config import InvokeAIAppConfig
+
     # Allow integer, string and float, but explicitly deny float
     allow_deny_nodes_conf = OmegaConf.create(
         """