Cleanup imports

tests/test_output.py

@@ -1,17 +1,14 @@
 import argparse
-from pathlib import Path
-from unittest import mock
-
-import json
-import os
 import io
+import json
 import warnings
+from pathlib import Path
+from unittest import mock
 from urllib.request import urlopen
 
-import pytest
 import niquests
+import pytest
 import responses
-
 from httpie.cli.argtypes import (
     PARSED_DEFAULT_FORMAT_OPTIONS,
     parse_format_options,

tests/test_sessions.py

@@ -1,25 +1,23 @@
 import json
-import os
 import shutil
+from base64 import b64encode
 from contextlib import contextmanager
 from datetime import datetime
-from unittest import mock
 from pathlib import Path
 from typing import Iterator
+from unittest import mock
 
 import pytest
-
-from .fixtures import FILE_PATH_ARG, UNICODE
 from httpie.context import Environment
 from httpie.encoding import UTF8
 from httpie.plugins import AuthPlugin
 from httpie.plugins.builtin import HTTPBasicAuth
 from httpie.plugins.registry import plugin_manager
 from httpie.sessions import Session
 from httpie.utils import get_expired_cookies
+from .fixtures import FILE_PATH_ARG, UNICODE
 from .test_auth_plugins import basic_auth
 from .utils import DUMMY_HOST, HTTP_OK, MockEnvironment, http, mk_config_dir, cd_clean_tmp_dir
-from base64 import b64encode
 
 
 class SessionTestBase: