diff --git a/common/components/date_range_picker.py b/common/components/date_range_picker.py
index 02b611d..860694b 100644
--- a/common/components/date_range_picker.py
+++ b/common/components/date_range_picker.py
@@ -17,7 +17,6 @@ widget into a ``DateCriterion`` unchanged. All behaviour is wired by
 ``games/static/js/date_range_picker.js``.
 """
 
-
 from common.components.core import Element, HTMLAttribute, Media, Node, Safe
 from common.components.primitives import Div, Input, Span
 from common.time import DatePartSpec, date_parts
@@ -101,9 +100,7 @@ def _iso_part_values(iso_value: str, parts: list[DatePartSpec]) -> dict[str, str
     return values
 
 
-def _segment_input(
-    *, part: DatePartSpec, side: str, label: str, value: str
-) -> Node:
+def _segment_input(*, part: DatePartSpec, side: str, label: str, value: str) -> Node:
     side_label = "from" if side == "min" else "to"
     return Input(
         attributes=[
diff --git a/common/components/filters.py b/common/components/filters.py
index 1d158f1..056ec49 100644
--- a/common/components/filters.py
+++ b/common/components/filters.py
@@ -173,9 +173,7 @@ def _split_modifier(modifier: str, has_m2m: bool = False) -> str:
     return ""
 
 
-def _enum_filter(
-    field_name: str, options, choice: FilterChoice, *, nullable
-) -> Node:
+def _enum_filter(field_name: str, options, choice: FilterChoice, *, nullable) -> Node:
     """A FilterSelect over a small, fully pre-rendered option set (enum field).
 
     Enum fields are single-valued, so no M2M modifiers (all/only are
diff --git a/e2e/conftest.py b/e2e/conftest.py
index 6df92e6..3a49536 100644
--- a/e2e/conftest.py
+++ b/e2e/conftest.py
@@ -7,6 +7,7 @@ import pytest
 # synchronous operations inside the async context safely.
 os.environ.setdefault("DJANGO_ALLOW_ASYNC_UNSAFE", "true")
 
+
 @pytest.fixture(scope="session")
 def browser_type_launch_args(browser_type_launch_args):
     # Try to find a system-installed Google Chrome or Chromium to bypass Nix/NixOS shared library issues
diff --git a/e2e/test_date_filter_e2e.py b/e2e/test_date_filter_e2e.py
index a108d69..33f9879 100644
--- a/e2e/test_date_filter_e2e.py
+++ b/e2e/test_date_filter_e2e.py
@@ -121,9 +121,7 @@ def test_max_only_serializes_as_less_than(live_server, page):
             ".dispatchEvent(new Event('submit', {cancelable: true}))"
         )
     parsed = _filter_from_url(page.url)
-    assert parsed == {
-        "date_refunded": {"value": "2025-06-30", "modifier": "LESS_THAN"}
-    }
+    assert parsed == {"date_refunded": {"value": "2025-06-30", "modifier": "LESS_THAN"}}
 
 
 @pytest.mark.django_db
diff --git a/e2e/test_range_slider_e2e.py b/e2e/test_range_slider_e2e.py
index 8ff5fe9..0ee7043 100644
--- a/e2e/test_range_slider_e2e.py
+++ b/e2e/test_range_slider_e2e.py
@@ -1,8 +1,4 @@
-"""End-to-end Playwright test for the RangeSlider JS synchronization, cross-over, and clamping behavior.
-"""
-
-import json
-import urllib.parse
+"""End-to-end Playwright test for the RangeSlider JS synchronization, cross-over, and clamping behavior."""
 
 import pytest
 from django.http import HttpResponse
@@ -41,17 +37,17 @@ urlpatterns = [
 @override_settings(ROOT_URLCONF="e2e.test_range_slider_e2e")
 def test_range_slider_crossover_min_higher_than_max(live_server, page):
     page.goto(live_server.url + "/test-range-slider/")
-    
+
     # 1. Start with known state: Min is empty, Max is empty
     min_input = page.locator('input[name="filter-session-count-min"]')
     max_input = page.locator('input[name="filter-session-count-max"]')
-    
+
     # 2. Type "20" into max input
     max_input.fill("20")
-    
+
     # 3. Type "50" into min input (which is higher than 20)
     min_input.fill("50")
-    
+
     # 4. Max input should have automatically synchronized/snapped to 50
     assert max_input.input_value() == "50"
 
@@ -60,16 +56,16 @@ def test_range_slider_crossover_min_higher_than_max(live_server, page):
 @override_settings(ROOT_URLCONF="e2e.test_range_slider_e2e")
 def test_range_slider_crossover_max_less_than_min(live_server, page):
     page.goto(live_server.url + "/test-range-slider/")
-    
+
     min_input = page.locator('input[name="filter-session-count-min"]')
     max_input = page.locator('input[name="filter-session-count-max"]')
-    
+
     # 1. Type "50" into min input
     min_input.fill("50")
-    
+
     # 2. Type "30" into max input (which is less than 50)
     max_input.fill("30")
-    
+
     # 3. Min input should have automatically synchronized/snapped to 30
     assert min_input.input_value() == "30"
 
@@ -78,20 +74,20 @@ def test_range_slider_crossover_max_less_than_min(live_server, page):
 @override_settings(ROOT_URLCONF="e2e.test_range_slider_e2e")
 def test_range_slider_strict_bounds_clamping_on_blur(live_server, page):
     page.goto(live_server.url + "/test-range-slider/")
-    
+
     min_input = page.locator('input[name="filter-session-count-min"]')
     max_input = page.locator('input[name="filter-session-count-max"]')
-    
+
     # 1. Type value higher than dataMax (100 is max, type "150")
     max_input.fill("150")
-    max_input.blur() # triggers "change" event
-    
+    max_input.blur()  # triggers "change" event
+
     assert max_input.input_value() == "100"
-    
+
     # 2. Type value lower than dataMin (0 is min, type "-20")
     min_input.fill("-20")
-    min_input.blur() # triggers "change" event
-    
+    min_input.blur()  # triggers "change" event
+
     assert min_input.input_value() == "0"
 
 
@@ -99,18 +95,20 @@ def test_range_slider_strict_bounds_clamping_on_blur(live_server, page):
 @override_settings(ROOT_URLCONF="e2e.test_range_slider_e2e")
 def test_range_slider_empty_max_thumb_does_not_jump_to_beginning(live_server, page):
     page.goto(live_server.url + "/test-range-slider/")
-    
+
     # Locate handles
-    max_handle = page.locator('.range-handle-max[data-target="filter-session-count-max"]')
-    
+    max_handle = page.locator(
+        '.range-handle-max[data-target="filter-session-count-max"]'
+    )
+
     # Initially, max_input is empty, so handle should sit at 100% (far right)
     style = max_handle.get_attribute("style")
     assert "left:100%" in style or "left: 100%" in style
-    
+
     # Set min to 50
     min_input = page.locator('input[name="filter-session-count-min"]')
     min_input.fill("50")
-    
+
     # Max handle should STILL stay at 100% since max input is still empty (defaults to max_value)
     style = max_handle.get_attribute("style")
     assert "left:100%" in style or "left: 100%" in style
diff --git a/e2e/test_string_filter_e2e.py b/e2e/test_string_filter_e2e.py
index f2de0a3..855b650 100644
--- a/e2e/test_string_filter_e2e.py
+++ b/e2e/test_string_filter_e2e.py
@@ -38,9 +38,7 @@ def prefilled_bar_view(request):
                 "value": "Switch",
                 "modifier": "INCLUDES",
             },
-            "group": {
-                "modifier": "IS_NULL"
-            }
+            "group": {"modifier": "IS_NULL"},
         }
     )
     return HttpResponse(_bar_page(filter_json=filter_json))
@@ -63,19 +61,21 @@ def _filter_from_url(url: str) -> dict:
 @override_settings(ROOT_URLCONF="e2e.test_string_filter_e2e")
 def test_string_filter_defaults_and_toggles(live_server, page):
     page.goto(live_server.url + "/test-string-filter-empty/")
-    
+
     # 1. Verify text inputs are active by default and modifier "is" (EQUALS) is checked
     name_input = page.locator('input[name="filter-name"]')
     assert name_input.is_enabled()
-    
+
     is_radio = page.locator('input[name="filter-name-modifier"][value="EQUALS"]')
     assert is_radio.is_checked()
 
     # 2. Enter values, click "includes" (INCLUDES), and submit
     name_input.fill("PlayStation")
-    includes_radio = page.locator('input[name="filter-name-modifier"][value="INCLUDES"]')
+    includes_radio = page.locator(
+        'input[name="filter-name-modifier"][value="INCLUDES"]'
+    )
     includes_radio.click()
-    
+
     with page.expect_navigation():
         page.evaluate(
             "document.getElementById('filter-bar-form')"
@@ -92,15 +92,15 @@ def test_string_filter_null_states(live_server, page):
 
     name_input = page.locator('input[name="filter-name"]')
     name_input.fill("Xbox")
-    
+
     # Click "is null"
     is_null_radio = page.locator('input[name="filter-name-modifier"][value="IS_NULL"]')
     is_null_radio.click()
-    
+
     # Verification of interactive disabling
     assert not name_input.is_enabled()
     assert name_input.input_value() == ""
-    
+
     with page.expect_navigation():
         page.evaluate(
             "document.getElementById('filter-bar-form')"
@@ -114,19 +114,23 @@ def test_string_filter_null_states(live_server, page):
 @override_settings(ROOT_URLCONF="e2e.test_string_filter_e2e")
 def test_string_filter_prefilled_states(live_server, page):
     page.goto(live_server.url + "/test-string-filter-prefilled/")
-    
+
     name_input = page.locator('input[name="filter-name"]')
     group_input = page.locator('input[name="filter-group"]')
-    
+
     # Verifies name matches "Switch" and "includes" is checked
     assert name_input.input_value() == "Switch"
     assert name_input.is_enabled()
-    assert page.locator('input[name="filter-name-modifier"][value="INCLUDES"]').is_checked()
-    
+    assert page.locator(
+        'input[name="filter-name-modifier"][value="INCLUDES"]'
+    ).is_checked()
+
     # Verifies group is empty, disabled, and "is null" is checked
     assert group_input.input_value() == ""
     assert not group_input.is_enabled()
-    assert page.locator('input[name="filter-group-modifier"][value="IS_NULL"]').is_checked()
+    assert page.locator(
+        'input[name="filter-group-modifier"][value="IS_NULL"]'
+    ).is_checked()
 
 
 @pytest.mark.django_db
@@ -136,11 +140,11 @@ def test_string_filter_deselect_re_enables(live_server, page):
 
     name_input = page.locator('input[name="filter-name"]')
     is_null_radio = page.locator('input[name="filter-name-modifier"][value="IS_NULL"]')
-    
+
     # 1. Click "is null" -> disables input
     is_null_radio.click()
     assert not name_input.is_enabled()
-    
+
     # 2. Click "is null" again to deselect/uncheck -> should re-enable the text input
     is_null_radio.click()
     assert name_input.is_enabled()
diff --git a/games/filters.py b/games/filters.py
index 29721bb..8b6d25e 100644
--- a/games/filters.py
+++ b/games/filters.py
@@ -412,7 +412,9 @@ class GameFilter(OperatorFilter):
         from games.models import PlayEvent
 
         event_q = criterion.to_q("note")
-        matching_ids = PlayEvent.objects.filter(event_q).values_list("game_id", flat=True)
+        matching_ids = PlayEvent.objects.filter(event_q).values_list(
+            "game_id", flat=True
+        )
         return Q(id__in=matching_ids)
 
 
diff --git a/games/migrations/0018_alter_session_timestamp_start.py b/games/migrations/0018_alter_session_timestamp_start.py
index 9e8bbde..7d29296 100644
--- a/games/migrations/0018_alter_session_timestamp_start.py
+++ b/games/migrations/0018_alter_session_timestamp_start.py
@@ -4,15 +4,14 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('games', '0017_add_filter_preset'),
+        ("games", "0017_add_filter_preset"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='session',
-            name='timestamp_start',
-            field=models.DateTimeField(db_index=True, verbose_name='Start'),
+            model_name="session",
+            name="timestamp_start",
+            field=models.DateTimeField(db_index=True, verbose_name="Start"),
         ),
     ]
diff --git a/tests/test_filter_bars.py b/tests/test_filter_bars.py
index 098b178..3ce025a 100644
--- a/tests/test_filter_bars.py
+++ b/tests/test_filter_bars.py
@@ -362,4 +362,3 @@ class FilterBarRenderingTest(TestCase):
         self.assertIn('name="filter-refunded"', purchase_html)
         self.assertIn('value="true"', purchase_html)
         self.assertIn('value="false"', purchase_html)
-
diff --git a/tests/test_filter_helpers.py b/tests/test_filter_helpers.py
index b073f94..ca1dc15 100644
--- a/tests/test_filter_helpers.py
+++ b/tests/test_filter_helpers.py
@@ -85,4 +85,3 @@ class ParseBoolNullableTest(SimpleTestCase):
         self.assertTrue(_parse_bool_nullable({"field": {"value": "1"}}, "field"))
         self.assertFalse(_parse_bool_nullable({"field": {"value": "false"}}, "field"))
         self.assertFalse(_parse_bool_nullable({"field": {"value": "0"}}, "field"))
-
diff --git a/tests/test_filters.py b/tests/test_filters.py
index ec3e49d..15d5da7 100644
--- a/tests/test_filters.py
+++ b/tests/test_filters.py
@@ -560,8 +560,14 @@ class TestFilterBarRendering:
 
     def test_mastered_not_checked_by_default(self):
         html = str(FilterBar(filter_json=""))
-        assert 'name="filter-mastered" value="true" class="rounded-full border-default-medium bg-neutral-secondary-medium text-brand focus:ring-brand" checked="true"' not in html
-        assert 'name="filter-mastered" value="false" class="rounded-full border-default-medium bg-neutral-secondary-medium text-brand focus:ring-brand" checked="true"' not in html
+        assert (
+            'name="filter-mastered" value="true" class="rounded-full border-default-medium bg-neutral-secondary-medium text-brand focus:ring-brand" checked="true"'
+            not in html
+        )
+        assert (
+            'name="filter-mastered" value="false" class="rounded-full border-default-medium bg-neutral-secondary-medium text-brand focus:ring-brand" checked="true"'
+            not in html
+        )
 
     def test_mastered_checked_when_filtered(self):
         html = str(
@@ -784,7 +790,7 @@ class TestExpandedFiltersAgainstDB:
         from games.filters import SessionFilter
         from games.models import Session
 
-        data = self._setup_entities()
+        self._setup_entities()
 
         # Test duration_total_hours equals 4
         sf_tot = SessionFilter.from_json(
@@ -808,7 +814,7 @@ class TestExpandedFiltersAgainstDB:
         from games.filters import PurchaseFilter
         from games.models import Purchase
 
-        data = self._setup_entities()
+        self._setup_entities()
 
         pf = PurchaseFilter.from_json(
             {