Applying black formatting

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

benchmark/addressbook.proto.py

@@ -9,16 +9,16 @@ def writeAddressBook():
 
     alice = addressBook.person.add()
     alice.id = 123
-    alice.name = 'Alice'
-    alice.email = 'alice@example.com'
+    alice.name = "Alice"
+    alice.email = "alice@example.com"
     alicePhones = [alice.phone.add()]
     alicePhones[0].number = "555-1212"
     alicePhones[0].type = addressbook.Person.MOBILE
 
     bob = addressBook.person.add()
     bob.id = 456
-    bob.name = 'Bob'
-    bob.email = 'bob@example.com'
+    bob.name = "Bob"
+    bob.email = "bob@example.com"
     bobPhones = [bob.phone.add(), bob.phone.add()]
     bobPhones[0].number = "555-4567"
     bobPhones[0].type = addressbook.Person.HOME
@@ -34,15 +34,14 @@ def printAddressBook(message_string):
     addressBook.ParseFromString(message_string)
 
     for person in addressBook.person:
-        print(person.name, ':', person.email)
+        print(person.name, ":", person.email)
         for phone in person.phone:
-            print(phone.type, ':', phone.number)
+            print(phone.type, ":", phone.number)
         print()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     for i in range(10000):
         message_string = writeAddressBook()
 
         printAddressBook(message_string)
-