[niconico] Remove unused import

diff --git a/youtube_dl/extractor/niconico.py b/youtube_dl/extractor/niconico.py
index d981312711aa31796bb2a33ddf9f5f4fbcd00737..c0c139b5df16ce900ba6920a1a004bc433eab4e9 100644 (file)
--- a/youtube_dl/extractor/niconico.py
+++ b/youtube_dl/extractor/niconico.py
@@ -8,7 +8,6 @@ from ..utils import (
     compat_urllib_parse,
     compat_urllib_request,
     compat_urlparse,
-    ExtractorError,
     unified_strdate,
     parse_duration,
     int_or_none,