Allow list and tuples to be passed as output_size to max_unpool1d (#16489)
Summary:
Changelog:
- Modify concantenation of [1] to a tuple by using cases for list and non-list types.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16489
Differential Revision: D13875838
Pulled By: soumith
fbshipit-source-id: fade65cc47385986b773b9bde9b4601ab93fe1cf
