#!/usr/bin/env python
+# Allow direct execution
+import os
import sys
import unittest
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-# Allow direct execution
-import os
-sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-from youtube_dl.extractor import YoutubeIE, YoutubePlaylistIE, YoutubeChannelIE, JustinTVIE, gen_extractors
-from helper import get_testcases
+from test.helper import get_testcases
+
+from youtube_dl.extractor import (
+ gen_extractors,
+ JustinTVIE,
+ YoutubeIE,
+)
+
class TestAllURLsMatching(unittest.TestCase):
def setUp(self):