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Avoid using mutable default argument.

This commit is contained in:
Omer Katz 2019-01-09 14:39:25 +02:00
parent b6510e0c36
commit c9e0ef5834
1 changed files with 3 additions and 2 deletions
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5
kombu/compression.py
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@ -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():