@ -547,7 +547,7 @@ class YoutubeDL(object):
try:
success = self.fd._do_download(filename, info_dict)
except (OSError, IOError) as err:
raise UnavailableVideoError()
raise UnavailableVideoError(err)
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self.report_error(u'unable to download video data: %s' % str(err))
return