From bea56c95699af594586095e5ea88e9857049c6a1 Mon Sep 17 00:00:00 2001
From: Andrzej Lichnerowicz <andrzej@lichnerowicz.pl>
Date: Sat, 26 Sep 2015 21:58:33 +0200
Subject: [PATCH] [pluralsight] prevent error 429 when sensing video formats

---
 youtube_dl/extractor/pluralsight.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/youtube_dl/extractor/pluralsight.py b/youtube_dl/extractor/pluralsight.py
index 7693282a5..d542a9e0e 100644
--- a/youtube_dl/extractor/pluralsight.py
+++ b/youtube_dl/extractor/pluralsight.py
@@ -156,6 +156,9 @@ class PluralsightIE(PluralsightBaseIE):
                 format_id = '%s-%s' % (ext, quality)
                 clip_url = self._download_webpage(
                     request, display_id, 'Downloading %s URL' % format_id, fatal=False)
+                # #6989: sleep 3 seconds to avoid 429 errors.
+                # should help with #6842.
+                self._sleep(3, display_id)
                 if not clip_url:
                     continue
                 f.update({