When I tried to do

yoyo init -d sqlite:///mydb.sqlite3 migrations

yoyo apply -b -v

using Python 3.8.10 I received the following traceback

Traceback (most recent call last): File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 185, in _run_module_as_main mod_name, mod_spec, code = _get_module_details(mod_name, _Error) File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 144, in _get_module_details return _get_module_details(pkg_main_name, error) File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 111, in _get_module_details import(pkg_name) File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/init.py", line 27, in from yoyo.connections import get_backend File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/connections.py", line 23, in from yoyo.backends import get_backend_class File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/backends/init.py", line 1, in from yoyo.backends.base import DatabaseBackend File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/backends/base.py", line 33, in from yoyo import internalmigrations File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/internalmigrations/init.py", line 9, in from . import v2 File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/internalmigrations/v2.py", line 7, in from yoyo.migrations import get_migration_hash File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/migrations.py", line 41, in from yoyo.utils import plural File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/utils.py", line 133, in bind_parameters: t.Optional[abc.Mapping[str, t.Any]] TypeError: 'ABCMeta' object is not subscriptable Traceback (most recent call last): File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 185, in _run_module_as_main mod_name, mod_spec, code = _get_module_details(mod_name, _Error) File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 144, in _get_module_details return _get_module_details(pkg_main_name, error) File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 111, in _get_module_details import(pkg_name) File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/init.py", line 27, in from yoyo.connections import get_backend File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/connections.py", line 23, in from yoyo.backends import get_backend_class File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/backends/init.py", line 1, in from yoyo.backends.base import DatabaseBackend File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/backends/base.py", line 33, in from yoyo import internalmigrations File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/internalmigrations/init.py", line 9, in from . import v2 File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/internalmigrations/v2.py", line 7, in from yoyo.migrations import get_migration_hash File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/migrations.py", line 41, in from yoyo.utils import plural File "/Users/dmytro.teretskyi/Documents/Projects/iqtestsoft/venv_3.8/lib/python3.8/site-packages/yoyo/utils.py", line 133, in bind_parameters: t.Optional[abc.Mapping[str, t.Any]] TypeError: 'ABCMeta' object is not subscriptable