diff --git a/lib/modelscan_api/.pre-commit-config.yaml b/lib/modelscan_api/.pre-commit-config.yaml
index 0a4c918ca..bb1775b9d 100644
--- a/lib/modelscan_api/.pre-commit-config.yaml
+++ b/lib/modelscan_api/.pre-commit-config.yaml
@@ -23,19 +23,20 @@ repos:
     rev: 6.0.0
     hooks:
       - id: isort
-        args: ['-a', 'from __future__ import annotations']
+        args: ['-a', 'from __future__ import annotations', '-l', '120']
 
   - repo: https://github.com/asottile/pyupgrade
     rev: v3.19.1
     hooks:
       - id: pyupgrade
-        args: [--py37-plus]
+        args: [--py39-plus]
 
   - repo: https://github.com/hadialqattan/pycln
     rev: v2.5.0
     hooks:
       - id: pycln
-        args: [--config=pyproject.toml]
+        # use the same config as for /lib/python
+        args: [--config=../python/pyproject.toml]
         stages: [manual]
 
   - repo: https://github.com/codespell-project/codespell
diff --git a/lib/modelscan_api/bailo_modelscan_api/config.py b/lib/modelscan_api/bailo_modelscan_api/config.py
index b6f6435e6..1bf92409f 100644
--- a/lib/modelscan_api/bailo_modelscan_api/config.py
+++ b/lib/modelscan_api/bailo_modelscan_api/config.py
@@ -27,7 +27,7 @@ class Settings(BaseSettings):
     # Update frontend/pages/docs/administration/helm/configuration.mdx if bumping this.
     app_version: str = "1.0.0"
     # download_dir is used if it evaluates, otherwise a temporary directory is used.
-    download_dir: Optional[str] = None
+    download_dir: str | None = None
     modelscan_settings: dict[str, Any] = DEFAULT_SETTINGS
     block_size: int = 1024
 
diff --git a/lib/modelscan_api/bailo_modelscan_api/main.py b/lib/modelscan_api/bailo_modelscan_api/main.py
index 16c7acbb4..7d41c0fe8 100644
--- a/lib/modelscan_api/bailo_modelscan_api/main.py
+++ b/lib/modelscan_api/bailo_modelscan_api/main.py
@@ -17,6 +17,8 @@
 from modelscan.modelscan import ModelScan
 from pydantic import BaseModel
 
+# isort: split
+
 from bailo_modelscan_api.config import Settings
 from bailo_modelscan_api.dependencies import safe_join
 
@@ -225,9 +227,7 @@ async def info(settings: Annotated[Settings, Depends(get_settings)]) -> ApiInfor
             "description": "The server could not complete the request",
             "content": {
                 "application/json": {
-                    "example": {
-                        "detail": "An error occurred while processing the uploaded file's name."
-                    }
+                    "example": {"detail": "An error occurred while processing the uploaded file's name."}
                 }
             },
         },
@@ -251,11 +251,7 @@ async def scan_file(
         modelscan_model = ModelScan(settings=settings.modelscan_settings)
 
         # Use Setting's download_dir if defined else use a temporary directory.
-        with (
-            TemporaryDirectory()
-            if not settings.download_dir
-            else nullcontext(settings.download_dir)
-        ) as download_dir:
+        with TemporaryDirectory() if not settings.download_dir else nullcontext(settings.download_dir) as download_dir:
             if in_file.filename and str(in_file.filename).strip():
                 # Prevent escaping to a parent dir
                 try:
@@ -315,9 +311,7 @@ async def scan_file(
             background_tasks.add_task(Path.unlink, pathlib_path, missing_ok=True)
         except UnboundLocalError:
             # pathlib_path may not exist.
-            logger.exception(
-                "An error occurred while trying to cleanup the downloaded file."
-            )
+            logger.exception("An error occurred while trying to cleanup the downloaded file.")
 
 
 if __name__ == "__main__":
diff --git a/lib/modelscan_api/tests/test_dependencies.py b/lib/modelscan_api/tests/test_dependencies.py
index a190908da..362ef3254 100644
--- a/lib/modelscan_api/tests/test_dependencies.py
+++ b/lib/modelscan_api/tests/test_dependencies.py
@@ -4,23 +4,20 @@
 from __future__ import annotations
 
 import itertools
+from collections.abc import Iterable
 from pathlib import Path
-from typing import Any, Iterable
+from typing import Any
 
 import pytest
 
-from bailo_modelscan_api.dependencies import (
-    parse_path,
-    safe_join,
-    sanitise_unix_filename,
-)
+# isort: split
+
+from bailo_modelscan_api.dependencies import parse_path, safe_join, sanitise_unix_filename
 
 # Helpers
 
 
-def type_matrix(
-    data: Iterable[Any], types: Iterable[type]
-) -> itertools.product[tuple[Any, ...]]:
+def type_matrix(data: Iterable[Any], types: Iterable[type]) -> itertools.product[tuple[Any, ...]]:
     """Generate a matrix of all combinations of `data` converted to each type in `types`.
     For example:
     `list(type_matrix(["foo", "bar"], [str, Path])) -> [(str(foo), str(bar)), (str(foo), Path(bar)), (Path(foo), str(bar)), (Path(foo), Path(bar))]`
@@ -55,7 +52,7 @@ def type_matrix(
             "".join(['\\[/\\?%*:|"<>0x7F0x00-0x1F]', chr(0x1F) * 15]),
             "-[----------0x7F0x00-0x1F]---------------",
         ),
-        ("ad\nbla'{-+\\)(ç?", "ad-bla'{-+-)(ç-"),  # type: ignore
+        ("ad\nbla'{-+\\)(ç?", "ad-bla'{-+-)(ç-"),
     ],
 )
 def test_sanitise_unix_filename(path: str, output: str) -> None:
diff --git a/lib/modelscan_api/tests/test_integration.py b/lib/modelscan_api/tests/test_integration.py
index 87595fe49..dc6e67793 100644
--- a/lib/modelscan_api/tests/test_integration.py
+++ b/lib/modelscan_api/tests/test_integration.py
@@ -11,6 +11,8 @@
 import pytest
 from fastapi.testclient import TestClient
 
+# isort: split
+
 from bailo_modelscan_api.config import Settings
 from bailo_modelscan_api.main import app, get_settings
 
diff --git a/lib/modelscan_api/tests/test_integration/generate_test_data.py b/lib/modelscan_api/tests/test_integration/generate_test_data.py
index 69459656d..6cf487388 100644
--- a/lib/modelscan_api/tests/test_integration/generate_test_data.py
+++ b/lib/modelscan_api/tests/test_integration/generate_test_data.py
@@ -14,15 +14,15 @@ def __init__(self, file, protocol, inj_objs):
 
     def dump(self, obj):
         "Pickle data, inject object before or after"
-        if self.proto >= 2:  # type: ignore
-            self.write(pickle.PROTO + struct.pack("<B", self.proto))  # type: ignore
-        if self.proto >= 4:  # type: ignore
-            self.framer.start_framing()  # type: ignore
+        if self.proto >= 2:
+            self.write(pickle.PROTO + struct.pack("<B", self.proto))
+        if self.proto >= 4:
+            self.framer.start_framing()
         for inj_obj in self.inj_objs:
-            self.save(inj_obj)  # type: ignore
-        self.save(obj)  # type: ignore
-        self.write(pickle.STOP)  # type: ignore
-        self.framer.end_framing()  # type: ignore
+            self.save(inj_obj)
+        self.save(obj)
+        self.write(pickle.STOP)
+        self.framer.end_framing()
 
 
 class _PickleInject:
diff --git a/lib/modelscan_api/tests/test_main.py b/lib/modelscan_api/tests/test_main.py
index 101f265b3..80bddf876 100644
--- a/lib/modelscan_api/tests/test_main.py
+++ b/lib/modelscan_api/tests/test_main.py
@@ -12,6 +12,8 @@
 import pytest
 from fastapi.testclient import TestClient
 
+# isort: split
+
 from bailo_modelscan_api.config import Settings
 from bailo_modelscan_api.dependencies import parse_path
 from bailo_modelscan_api.main import app, get_settings
@@ -52,9 +54,7 @@ def test_info():
         ("-", EMPTY_CONTENTS, H5_MIME_TYPE),
     ],
 )
-def test_scan_file(
-    mock_scan: Mock, file_name: str, file_content: Any, file_mime_type: str
-):
+def test_scan_file(mock_scan: Mock, file_name: str, file_content: Any, file_mime_type: str):
     mock_scan.return_value = {}
     files = {"in_file": (file_name, file_content, file_mime_type)}
 
@@ -68,17 +68,13 @@ def test_scan_file(
     ("file_name", "file_content", "file_mime_type"),
     [("..", EMPTY_CONTENTS, H5_MIME_TYPE)],
 )
-def test_scan_file_escape_path_error(
-    file_name: str, file_content: Any, file_mime_type: str
-):
+def test_scan_file_escape_path_error(file_name: str, file_content: Any, file_mime_type: str):
     files = {"in_file": (file_name, file_content, file_mime_type)}
 
     response = client.post("/scan/file", files=files)
 
     assert response.status_code == 500
-    assert response.json() == {
-        "detail": "An error occurred while processing the uploaded file's name."
-    }
+    assert response.json() == {"detail": "An error occurred while processing the uploaded file's name."}
 
 
 @patch("modelscan.modelscan.ModelScan.scan")
@@ -86,9 +82,7 @@ def test_scan_file_escape_path_error(
     ("file_name", "file_content", "file_mime_type"),
     [("foo.h5", EMPTY_CONTENTS, H5_MIME_TYPE)],
 )
-def test_scan_file_exception(
-    mock_scan: Mock, file_name: str, file_content: Any, file_mime_type: str
-):
+def test_scan_file_exception(mock_scan: Mock, file_name: str, file_content: Any, file_mime_type: str):
     mock_scan.side_effect = Exception("Mocked error!")
     files = {"in_file": (file_name, file_content, file_mime_type)}
 
@@ -109,14 +103,10 @@ def test_scan_file_exception(
     ("file_name", "file_content", "file_mime_type"),
     [(" ", EMPTY_CONTENTS, H5_MIME_TYPE)],
 )
-def test_scan_file_filename_missing(
-    file_name: str, file_content: Any, file_mime_type: str
-):
+def test_scan_file_filename_missing(file_name: str, file_content: Any, file_mime_type: str):
     files = {"in_file": (file_name, file_content, file_mime_type)}
 
     response = client.post("/scan/file", files=files)
 
     assert response.status_code == 500
-    assert response.json() == {
-        "detail": "An error occurred while extracting the uploaded file's name."
-    }
+    assert response.json() == {"detail": "An error occurred while extracting the uploaded file's name."}
diff --git a/lib/python/.pre-commit-config.yaml b/lib/python/.pre-commit-config.yaml
index 39cc329a6..b7218c02b 100644
--- a/lib/python/.pre-commit-config.yaml
+++ b/lib/python/.pre-commit-config.yaml
@@ -23,7 +23,7 @@ repos:
     rev: 6.0.0
     hooks:
       - id: isort
-        args: ['-a', 'from __future__ import annotations']
+        args: ['-a', 'from __future__ import annotations', '-l', '120']
 
   - repo: https://github.com/asottile/pyupgrade
     rev: v3.19.1