[issue30130] array.array is not an instance of collections.MutableSequence

Alexander Gosselin added the comment: Thanks for taking a look at this. I think array is little used, so registering it as a member of some of the abstract base classes in collections could easily have been overlooked. One of the prerequisites for membership in MutableSequence is a .clear

[issue30130] array.array is not an instance of collections.MutableSequence

New submission from Alexander Gosselin: array.array has all of the methods required by collections.MutableSequence, but: >>> import array >>> import collections >>> isinstance(array.array, collections.MutableSequence) False ------ messages: 292053 nosy: Alexande