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-rw-r--r--youtube_dl/extractor/youtube.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 780690ed0..049da2f91 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -468,7 +468,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
if cache_enabled:
try:
- cache_res = res(map(compat_chr, range(slen)))
+ test_string = u''.join(map(compat_chr, range(slen)))
+ cache_res = res(test_string)
cache_spec = [ord(c) for c in cache_res]
try:
os.makedirs(os.path.dirname(cache_fn))
@@ -512,7 +513,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
else:
yield _genslice(start, i, step)
- cache_res = func(map(compat_chr, range(slen)))
+ test_string = u''.join(map(compat_chr, range(slen)))
+ cache_res = func(test_string)
cache_spec = [ord(c) for c in cache_res]
expr_code = u' + '.join(gen_sig_code(cache_spec))
code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code)