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-rw-r--r--youtube_dl/YoutubeDL.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 711b5d79e..b822930cb 100644
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -146,7 +146,7 @@ class YoutubeDL(object):
_num_downloads = None
_screen_file = None
- def __init__(self, params={}):
+ def __init__(self, params=None):
"""Create a FileDownloader object with the given options."""
self._ies = []
self._ies_instances = {}
@@ -155,7 +155,7 @@ class YoutubeDL(object):
self._download_retcode = 0
self._num_downloads = 0
self._screen_file = [sys.stdout, sys.stderr][params.get('logtostderr', False)]
- self.params = params
+ self.params = {} if params is None else params
if (sys.version_info >= (3,) and sys.platform != 'win32' and
sys.getfilesystemencoding() in ['ascii', 'ANSI_X3.4-1968']