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-rw-r--r--youtube_dl/FileDownloader.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/youtube_dl/FileDownloader.py b/youtube_dl/FileDownloader.py
index f1931b04d..2b76a3b09 100644
--- a/youtube_dl/FileDownloader.py
+++ b/youtube_dl/FileDownloader.py
@@ -185,7 +185,10 @@ class FileDownloader(object):
def to_stderr(self, message):
"""Print message to stderr."""
assert type(message) == type(u'')
- sys.stderr.write((message + u'\n').encode(preferredencoding()))
+ output = message + u'\n'
+ if 'b' in getattr(self._screen_file, 'mode', '') or sys.version_info[0] < 3: # Python 2 lies about the mode of sys.stdout/sys.stderr
+ output = output.encode(preferredencoding())
+ sys.stderr.write(output)
def to_cons_title(self, message):
"""Set console/terminal window title to message."""