No need to register classes that already inherit from ABCs.

raymond.hettinger · raymond.hettinger · commit d4b70dcf72e5 · 2008-02-11T18:51:08.000Z
git-svn-id: http://svn.python.org/projects/python/trunk@60731 6015fed2-1504-0410-9fe1-9d1591cc4771
diff --git a/Lib/UserList.py b/Lib/UserList.py
@@ -85,5 +85,3 @@ def extend(self, other):
             self.data.extend(other.data)
         else:
             self.data.extend(other)
-
-collections.MutableSequence.register(UserList)
diff --git a/Lib/UserString.py b/Lib/UserString.py
@@ -214,8 +214,6 @@ def __imul__(self, n):
     def insert(self, index, value):
         self[index:index] = value
 
-collections.MutableSequence.register(MutableString)
-
 if __name__ == "__main__":
     # execute the regression test to stdout, if called as a script:
     import os
