diff --git a/youtube_dl/extractor/nrk.py b/youtube_dl/extractor/nrk.py
index 7b98626f2..7fe79cb53 100644
--- a/youtube_dl/extractor/nrk.py
+++ b/youtube_dl/extractor/nrk.py
@@ -15,6 +15,7 @@
 
 class NRKBaseIE(InfoExtractor):
     _GEO_COUNTRIES = ['NO']
+
     def _real_extract(self, url):
         video_id = self._match_id(url)