[sohu] Correct wrong imports

youtube_dl/extractor/sohu.py

@@ -4,8 +4,10 @@ from __future__ import unicode_literals
 import re
 
 from .common import InfoExtractor
-from ..utils import compat_str
-from ..compat import compat_urllib_request
+from ..compat import (
+    compat_str,
+    compat_urllib_request
+)
 
 
 class SohuIE(InfoExtractor):