From c9e0ef5834ac9ea9938b278f281bb1e47649e2c2 Mon Sep 17 00:00:00 2001 From: Omer Katz Date: Wed, 9 Jan 2019 14:39:25 +0200 Subject: Avoid using mutable default argument. --- kombu/compression.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kombu/compression.py b/kombu/compression.py index c0f55a9e..26feb70c 100644 --- a/kombu/compression.py +++ b/kombu/compression.py @@ -14,7 +14,7 @@ __all__ = ('register', 'encoders', 'get_encoder', 'get_decoder', 'compress', 'decompress') -def register(encoder, decoder, content_type, aliases=[]): +def register(encoder, decoder, content_type, aliases=None): """Register new compression method. Arguments: @@ -28,7 +28,8 @@ def register(encoder, decoder, content_type, aliases=[]): """ _encoders[content_type] = encoder _decoders[content_type] = decoder - _aliases.update((alias, content_type) for alias in aliases) + if aliases: + _aliases.update((alias, content_type) for alias in aliases) def encoders(): -- cgit v1.2.1