Cannot import mlir on recent snapshots

[siddharth-krishna]

$ python -m pip install --upgrade mlir-snapshot -f https://github.com/stellaraccident/mlir-py-release/releases
Looking in links: https://github.com/stellaraccident/mlir-py-release/releases
Collecting mlir-snapshot
  Downloading https://github.com/stellaraccident/mlir-py-release/releases/download/snapshot-20210310.155/mlir_snapshot-20210310.155-cp38-cp38-manylinux2014_x86_64.whl (15.1 MB)
     |████████████████████████████████| 15.1 MB 5.2 MB/s
Installing collected packages: mlir-snapshot
Successfully installed mlir-snapshot-20210310.155
$ python
Python 3.8.6 (default, Oct  6 2020, 03:22:36)
[GCC 7.5.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mlir
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'mlir'

It used to work though. One of my other venvs has mlir-snapshot 20210111.38 and there I can import mlir. Has there been a change in the name of the Python package?