'fix-flake8'

app/main.py

@@ -1,5 +1,10 @@
 class Car:
-    def __init__(self, comfort_class, clean_mark, brand) -> None:
+    def __init__(self,
+                 comfort_class: int,
+                 clean_mark: int,
+                 brand: str
+                 ) -> None:
+
         self.comfort_class = comfort_class
         self.clean_mark = clean_mark
         self.brand = brand
@@ -8,10 +13,10 @@ def __init__(self, comfort_class, clean_mark, brand) -> None:
 class CarWashStation:
     def __init__(
             self,
-            distance_from_city_center,
-            clean_power,
-            average_rating,
-            count_of_ratings
+            distance_from_city_center: int | float,
+            clean_power: int | float,
+            average_rating: int | float,
+            count_of_ratings: int | float
     ) -> None:
 
         self.distance_from_city_center = distance_from_city_center
@@ -23,7 +28,10 @@ def calculate_washing_price(self, car: Car) -> float:
         if car.clean_mark >= self.clean_power:
             return 0
 
-        return round(car.comfort_class * (self.clean_power - car.clean_mark) * self.average_rating / self.distance_from_city_center, 1)
+        return round(
+            (car.comfort_class * (self.clean_power - car.clean_mark)
+             * self.average_rating) / self.distance_from_city_center, 1
+        )
 
     def wash_single_car(self, car: Car) -> None:
         if car.clean_mark < self.clean_power:
@@ -44,5 +52,3 @@ def rate_service(self, new_rating: float) -> None:
         total_ratings += new_rating
         self.count_of_ratings += 1
         self.average_rating = round(total_ratings / self.count_of_ratings, 1)
-
-