Update black from 19.3b0 to 19.10b0
@@ -19,7 +19,7 @@ pytest-sugar==0.9.2 # https://github.com/Frozenball/pytest-sugar
# ------------------------------------------------------------------------------
flake8==3.7.8 # https://github.com/PyCQA/flake8
coverage==4.5.4 # https://github.com/nedbat/coveragepy
-black==19.3b0 # https://github.com/ambv/black
+black==19.10b0 # https://github.com/ambv/black
pylint-django==2.0.11 # https://github.com/PyCQA/pylint-django
{%- if cookiecutter.use_celery == 'y' %}
pylint-celery==0.3 # https://github.com/PyCQA/pylint-celery
