[BUG] typing_extensions not found when trying to install graspologic from dev branch

[Jaewon Chung]

Expected Behavior

Installs all dependency

Actual Behavior

For some reason, typing_extensions isn't being installed as dependency. I will have to check but I believe its a dependency in beartype

Full Traceback

>>> import graspologic
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/j1c/miniconda3/envs/test/lib/python3.9/site-packages/graspologic/__init__.py", line 5, in <module>
    import graspologic.cluster
  File "/Users/j1c/miniconda3/envs/test/lib/python3.9/site-packages/graspologic/cluster/__init__.py", line 4, in <module>
    from .autogmm import AutoGMMCluster
  File "/Users/j1c/miniconda3/envs/test/lib/python3.9/site-packages/graspologic/cluster/autogmm.py", line 20, in <module>
    from typing_extensions import Literal
ModuleNotFoundError: No module named 'typing_extensions'

Your Environment

• Python version: 3.9
• graspologic version: 2.0

Additional Details

This happens with pypi release and current dev branch