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-rw-r--r--lib/sqlalchemy/ext/mutable.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sqlalchemy/ext/mutable.py b/lib/sqlalchemy/ext/mutable.py
index b1b851f72..ca27f172f 100644
--- a/lib/sqlalchemy/ext/mutable.py
+++ b/lib/sqlalchemy/ext/mutable.py
@@ -616,6 +616,10 @@ class MutableDict(Mutable, dict):
dict.__delitem__(self, key)
self.changed()
+ def clear(self):
+ dict.clear(self)
+ self.changed()
+
@classmethod
def coerce(cls, key, value):
"""Convert plain dictionary to MutableDict."""