Applying black formatting

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

test/test_object.py

@@ -7,22 +7,22 @@ this_dir = os.path.dirname(__file__)
 
 @pytest.fixture
 def addressbook():
-    return capnp.load(os.path.join(this_dir, 'addressbook.capnp'))
+    return capnp.load(os.path.join(this_dir, "addressbook.capnp"))
 
 
 def test_object_basic(addressbook):
     obj = capnp._MallocMessageBuilder().get_root_as_any()
     person = obj.as_struct(addressbook.Person)
-    person.name = 'test'
+    person.name = "test"
     person.id = 1000
 
     same_person = obj.as_struct(addressbook.Person)
-    assert same_person.name == 'test'
+    assert same_person.name == "test"
     assert same_person.id == 1000
 
     obj_r = obj.as_reader()
     same_person = obj_r.as_struct(addressbook.Person)
-    assert same_person.name == 'test'
+    assert same_person.name == "test"
     assert same_person.id == 1000
 
 
@@ -31,21 +31,21 @@ def test_object_list(addressbook):
     listSchema = capnp._ListSchema(addressbook.Person)
     people = obj.init_as_list(listSchema, 2)
     person = people[0]
-    person.name = 'test'
+    person.name = "test"
     person.id = 1000
     person = people[1]
-    person.name = 'test2'
+    person.name = "test2"
     person.id = 1001
 
     same_person = obj.as_list(listSchema)
-    assert same_person[0].name == 'test'
+    assert same_person[0].name == "test"
     assert same_person[0].id == 1000
-    assert same_person[1].name == 'test2'
+    assert same_person[1].name == "test2"
     assert same_person[1].id == 1001
 
     obj_r = obj.as_reader()
     same_person = obj_r.as_list(listSchema)
-    assert same_person[0].name == 'test'
+    assert same_person[0].name == "test"
     assert same_person[0].id == 1000
-    assert same_person[1].name == 'test2'
+    assert same_person[1].name == "test2"
     assert same_person[1].id == 1001