Hassfest is failing with the latest 0.115.0b0 beta release

[jesserockz]

This is happening on my custom_component repo and on the template custom_component/blueprint repo too.

https://github.com/custom-components/blueprint/runs/1083586935?check_suite_focus=true#step:6:12

Traceback (most recent call last):
  File "/usr/local/lib/python3.8/runpy.py", line 194, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/usr/local/lib/python3.8/runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "/usr/src/homeassistant/script/hassfest/__main__.py", line 7, in <module>
    from . import (
  File "/usr/src/homeassistant/script/hassfest/requirements.py", line 8, in <module>
    from stdlib_list import stdlib_list
ModuleNotFoundError: No module named 'stdlib_list'