-r requirements-test.txt
black==21.11b1
Flask-DebugToolbar==0.11.0
flask-shell-ipython==0.4.1
mypy==0.910
Sphinx==4.3.0
sqlalchemy2-stubs==0.0.2a19
types-freezegun==1.1.3

-r requirements-test.txt
black==21.12b0
Flask-DebugToolbar==0.11.0
flask-shell-ipython==0.4.1
mypy==0.910
Sphinx==4.3.0
sqlalchemy2-stubs==0.0.2a19
types-freezegun==1.1.3

Update black to v21.12b0 (from v21.11b1)
Update black to v21.12b0 (from v21.11b1)
