Fix lint issues

tests/conftest.py

@@ -4,10 +4,10 @@
 from unittest import mock
 
 import pytest
-
-from danger_python.danger import Danger
 from pyfakefs.fake_filesystem_unittest import Patcher
 from testfixtures.popen import MockPopen
+
+from danger_python.danger import Danger
 from tests.fixtures.danger import danger_input_file_fixture
 from tests.fixtures.shell import SubprocessFixture
 

tests/fixtures/shell.py

@@ -1,5 +1,5 @@
 from dataclasses import dataclass
-from typing import List, Optional
+from typing import Optional
 
 
 @dataclass

tests/test_models.py

@@ -1,5 +1,3 @@
-import pytest
-
 from danger_python.models import DangerDSLJSONType, GitHubReviewState