pytorch

3da8c909 - [nn] add `+` operator for torch.nn.Sequential to concatenate (#81170)

[nn] add `+` operator for torch.nn.Sequential to concatenate (#81170) Fixes #78512 #### TODO - [x] add tests cc @kshitij12345! Pull Request resolved: https://github.com/pytorch/pytorch/pull/81170 Approved by: https://github.com/albanD