From 7e508ff2cf8f8f8b1784db6fb33994839841d122 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Sat, 21 Nov 2015 21:49:37 +0600
Subject: [PATCH] [pluralsight] Improve login detection

---
 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 de7dc739b..7693282a5 100644
--- a/youtube_dl/extractor/pluralsight.py
+++ b/youtube_dl/extractor/pluralsight.py
@@ -84,6 +84,9 @@ def _login(self):
         if error:
             raise ExtractorError('Unable to login: %s' % error, expected=True)
 
+        if all(p not in response for p in ('__INITIAL_STATE__', '"currentUser"')):
+            raise ExtractorError('Unable to log in')
+
     def _real_extract(self, url):
         qs = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)