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-rwxr-xr-xLib/UserString.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/UserString.py b/Lib/UserString.py
index 615c135..c3267ad 100755
--- a/Lib/UserString.py
+++ b/Lib/UserString.py
@@ -232,6 +232,8 @@ class MutableString(UserString, collections.MutableSequence):
def __imul__(self, n):
self.data *= n
return self
+ def insert(self, index, value):
+ self[index:index] = value
collections.MutableSequence.register(MutableString)