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-rw-r--r--django/utils/datastructures.py7
1 files changed, 1 insertions, 6 deletions
diff --git a/django/utils/datastructures.py b/django/utils/datastructures.py
index 8e64328a2c..c15cb5eb49 100644
--- a/django/utils/datastructures.py
+++ b/django/utils/datastructures.py
@@ -235,12 +235,7 @@ class ImmutableList(tuple):
AttributeError: You cannot mutate this.
"""
- def __new__(cls, *args, **kwargs):
- if 'warning' in kwargs:
- warning = kwargs['warning']
- del kwargs['warning']
- else:
- warning = 'ImmutableList object is immutable.'
+ def __new__(cls, *args, warning='ImmutableList object is immutable.', **kwargs):
self = tuple.__new__(cls, *args, **kwargs)
self.warning = warning
return self