diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index cdbe11e..3df6929 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,8 +12,6 @@ jobs:
         uses: 20c/workflows/poetry@v1
       - name: Run linters
         run: |
-            poetry run isort src/
-            poetry run black --check src/
             poetry run pre-commit run --all-files
 
   test:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b81a570..be724fb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,16 +15,9 @@ repos:
     hooks:
       # Run the linter.
       - id: ruff
-        args: [ --fix ]
+        args: ["--select", "I", "--fix"]
       # Run the formatter.
       - id: ruff-format
-  - repo: local
-    hooks:
-      - id: system
-        name: isort
-        entry: poetry run isort .
-        language: system
-        pass_filenames: false
   - repo: local
     hooks:
     -   id: pyupgrade
@@ -32,18 +25,4 @@ repos:
         entry: poetry run pyupgrade --py38-plus
         language: python
         types: [python]
-        pass_filenames: true
-  - repo: local
-    hooks:
-      - id: system
-        name: Black
-        entry: poetry run black .
-        language: system
-        pass_filenames: false
-  - repo: local
-    hooks:
-      - id: system
-        name: flake8
-        entry: poetry run flake8 .
-        language: system
-        pass_filenames: false
\ No newline at end of file
+        pass_filenames: true
\ No newline at end of file
diff --git a/src/django_peeringdb/migrations/0034_fix_voltage.py b/src/django_peeringdb/migrations/0034_fix_voltage.py
index fd1e3fc..905daf9 100644
--- a/src/django_peeringdb/migrations/0034_fix_voltage.py
+++ b/src/django_peeringdb/migrations/0034_fix_voltage.py
@@ -22,9 +22,9 @@ def forward(apps, schema_editor):
     try:
         # overide from_db_value method
         # because this method calls "clean_choices" resulting in a validation error when retrieving all facilites.
-        Facility._meta.get_field("available_voltage_services").from_db_value = (
-            _from_db_value
-        )
+        Facility._meta.get_field(
+            "available_voltage_services"
+        ).from_db_value = _from_db_value
         facilities = Facility.handleref.all()
         for facility in facilities:
             voltage = facility.available_voltage_services
@@ -42,9 +42,9 @@ def forward(apps, schema_editor):
                 print(f"Removed {removed} from {facility}")
                 facility.save()
     finally:
-        Facility._meta.get_field("available_voltage_services").from_db_value = (
-            from_db_value
-        )
+        Facility._meta.get_field(
+            "available_voltage_services"
+        ).from_db_value = from_db_value
         updated_field.auto_now = updated_field_auto_now
 
 
diff --git a/tests/models.py b/tests/models.py
index a0d18e6..b1c3688 100644
--- a/tests/models.py
+++ b/tests/models.py
@@ -1,5 +1,4 @@
 from django.db import models
-
 from django_peeringdb.models import LG_URLField, MultipleChoiceField, URLField
 
 
diff --git a/tests/test_client_adaptor.py b/tests/test_client_adaptor.py
index fa319c5..b5ab85c 100644
--- a/tests/test_client_adaptor.py
+++ b/tests/test_client_adaptor.py
@@ -5,17 +5,16 @@
 from decimal import Decimal
 
 import django.core.exceptions
+import django_peeringdb.models as models
 import pytest
 from django.db import IntegrityError
 from django.db.transaction import atomic as atomic_transaction
-
-import django_peeringdb.models as models
+from django_peeringdb.client_adaptor.load import database_settings
 
 # import order is important here, linters will complain
 # about the backend import not being on top of the file
 # TODO: find better way to handle this
 import tests.peeringdb_mock  # noqa
-from django_peeringdb.client_adaptor.load import database_settings
 
 sys.modules["peeringdb"] = sys.modules["tests.peeringdb_mock"]  # noqa
 from django_peeringdb.client_adaptor.backend import Backend  # noqa
diff --git a/tests/test_concrete_models.py b/tests/test_concrete_models.py
index b22623c..893c33a 100644
--- a/tests/test_concrete_models.py
+++ b/tests/test_concrete_models.py
@@ -1,5 +1,4 @@
 import pytest
-
 from django_peeringdb.models import Carrier, CarrierFacility, Facility, Organization
 
 
diff --git a/tests/test_core.py b/tests/test_core.py
index 31a4371..0dcb8d2 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -1,6 +1,5 @@
-from django.test import TestCase
-
 import django_peeringdb.models
+from django.test import TestCase
 
 
 class CoreTests(TestCase):
diff --git a/tests/test_models.py b/tests/test_models.py
index 1c31320..09d5647 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -1,8 +1,8 @@
 import pytest
 from django.core.exceptions import ValidationError
 from django.test import TestCase
-
 from django_peeringdb.models import LG_URLField, URLField
+
 from tests.models import FieldModel, LG_FieldModel