chore: fix python style violations

Co-authored-by: OpenAI/GPT-5.6-Terra <vibecoder@antoineve.me>
Co-authored-by: OpenAI/GPT-5.6-Luna <vibecoder@antoineve.me>
Co-authored-by: MiniMax/MiniMax-M3 <vibecoder@antoineve.me>
Co-authored-by: DeepSeek/DeepSeek-v4-Flash <vibecoder@antoineve.me>

tests/test_config_loader.py

@@ -1,6 +1,7 @@
 def test_get_vehicles_returns_configured_vehicles(app):
     with app.app_context():
         from app.config_loader import get_vehicles
+
         vehicles = get_vehicles()
         assert "familiale" in vehicles
         assert vehicles["familiale"]["co2_per_km"] == 142
@@ -9,6 +10,7 @@ def test_get_vehicles_returns_configured_vehicles(app):
 def test_get_motor_vehicles_excludes_velo(app):
     with app.app_context():
         from app.config_loader import get_motor_vehicles
+
         motor = get_motor_vehicles()
         assert "familiale" in motor
         assert "citadine" in motor
@@ -19,6 +21,7 @@ def test_get_motor_vehicles_excludes_velo(app):
 def test_get_journeys_returns_profiles(app):
     with app.app_context():
         from app.config_loader import get_journeys
+
         journeys = get_journeys()
         assert "moteur_seul" in journeys
         assert journeys["moteur_seul"]["distances"]["moteur"] == 25
@@ -27,6 +30,7 @@ def test_get_journeys_returns_profiles(app):
 def test_journey_has_motor_true(app):
     with app.app_context():
         from app.config_loader import journey_has_motor
+
         assert journey_has_motor("moteur_seul") is True
         assert journey_has_motor("moteur_velo") is True
 
@@ -34,6 +38,7 @@ def test_journey_has_motor_true(app):
 def test_journey_has_motor_false(app):
     with app.app_context():
         from app.config_loader import journey_has_motor
+
         assert journey_has_motor("velo_seul") is False
         assert journey_has_motor(None) is False
 
@@ -41,6 +46,7 @@ def test_journey_has_motor_false(app):
 def test_get_bareme_returns_tranches(app):
     with app.app_context():
         from app.config_loader import get_bareme
+
         tranches = get_bareme(2025, 5)
         assert len(tranches) == 3
         assert tranches[0]["taux"] == 0.548
@@ -49,6 +55,7 @@ def test_get_bareme_returns_tranches(app):
 def test_day_types_without_journey(app):
     with app.app_context():
         from app.config_loader import day_types_without_journey
+
         types = day_types_without_journey()
         assert "TT" in types
         assert "WORK" not in types