aboutsummaryrefslogtreecommitdiff
path: root/youtube_dl/jsinterp.py
diff options
context:
space:
mode:
Diffstat (limited to 'youtube_dl/jsinterp.py')
-rw-r--r--youtube_dl/jsinterp.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/youtube_dl/jsinterp.py b/youtube_dl/jsinterp.py
index f0c4fa928..69c8f77ca 100644
--- a/youtube_dl/jsinterp.py
+++ b/youtube_dl/jsinterp.py
@@ -686,6 +686,8 @@ class JSInterpreter(object):
raise self.Exception('Cannot get index {idx!r:.100}'.format(**locals()), expr=repr(obj), cause=e)
def _dump(self, obj, namespace):
+ if obj is JS_Undefined:
+ return 'undefined'
try:
return json.dumps(obj)
except TypeError: