Applying black formatting

- Fixing flake8 configuration to agree with black
- Adding black validation check to github actions

benchmark/carsales_pycapnp.py

@@ -7,7 +7,18 @@ from random import choice
 
 MAKES = ["Toyota", "GM", "Ford", "Honda", "Tesla"]
 MODELS = ["Camry", "Prius", "Volt", "Accord", "Leaf", "Model S"]
-COLORS = ["black", "white", "red", "green", "blue", "cyan", "magenta", "yellow", "silver"]
+COLORS = [
+    "black",
+    "white",
+    "red",
+    "green",
+    "blue",
+    "cyan",
+    "magenta",
+    "yellow",
+    "silver",
+]
+
 
 def random_car(car):
     car.make = choice(MAKES)
@@ -17,7 +28,7 @@ def random_car(car):
     car.seats = 2 + rand_int(6)
     car.doors = 2 + rand_int(3)
 
-    for wheel in car.init('wheels', 4):
+    for wheel in car.init("wheels", 4):
         wheel.diameter = 25 + rand_int(15)
         wheel.airPressure = 30 + rand_double(20)
         wheel.snowTires = rand_int(16) == 0
@@ -27,7 +38,7 @@ def random_car(car):
     car.height = 54 + rand_int(48)
     car.weight = car.length * car.width * car.height // 200
 
-    engine = car.init('engine')
+    engine = car.init("engine")
     engine.horsepower = 100 * rand_int(400)
     engine.cylinders = 4 + 2 * rand_int(3)
     engine.cc = 800 + rand_int(10000)
@@ -42,6 +53,7 @@ def random_car(car):
     car.cupHolders = rand_int(12)
     car.hasNavSystem = rand_bool()
 
+
 def calc_value(car):
     result = 0
 
@@ -57,9 +69,9 @@ def calc_value(car):
     result += engine.horsepower * 40
     if engine.usesElectric:
         if engine.usesGas:
-          result += 5000
+            result += 5000
         else:
-          result += 3000
+            result += 3000
 
     result += 100 if car.hasPowerWindows else 0
     result += 200 if car.hasPowerSteering else 0
@@ -70,11 +82,12 @@ def calc_value(car):
 
     return result
 
+
 class Benchmark:
     def __init__(self, compression):
         self.Request = carsales_capnp.ParkingLot.new_message
         self.Response = carsales_capnp.TotalValue.new_message
-        if compression == 'packed':
+        if compression == "packed":
             self.from_bytes_request = carsales_capnp.ParkingLot.from_bytes_packed
             self.from_bytes_response = carsales_capnp.TotalValue.from_bytes_packed
             self.to_bytes = lambda x: x.to_bytes_packed()
@@ -85,17 +98,17 @@ class Benchmark:
 
     def setup(self, request):
         result = 0
-        for car in request.init('cars', rand_int(200)):
-          random_car(car)
-          result += calc_value(car)
+        for car in request.init("cars", rand_int(200)):
+            random_car(car)
+            result += calc_value(car)
         return result
 
     def handle(self, request, response):
         result = 0
         for car in request.cars:
-          result += calc_value(car)
+            result += calc_value(car)
 
         response.amount = result
 
     def check(self, response, expected):
-        return response.amount == expected
+        return response.amount == expected