Bump black from 19.10b0 to 20.8b1

Bumps [black](https://github.com/psf/black) from 19.10b0 to 20.8b1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/master/CHANGES.md)
- [Commits](https://github.com/psf/black/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

poetry.lock

@@ -86,7 +86,7 @@ stevedore = ">=1.20.0"
 
 [[package]]
 name = "black"
-version = "19.10b0"
+version = "20.8b1"
 description = "The uncompromising code formatter."
 category = "dev"
 optional = false
@@ -94,14 +94,17 @@ python-versions = ">=3.6"
 
 [package.dependencies]
 appdirs = "*"
-attrs = ">=18.1.0"
-click = ">=6.5"
+click = ">=7.1.2"
+dataclasses = {version = ">=0.6", markers = "python_version < \"3.7\""}
+mypy-extensions = ">=0.4.3"
 pathspec = ">=0.6,<1"
-regex = "*"
-toml = ">=0.9.4"
+regex = ">=2020.1.8"
+toml = ">=0.10.1"
 typed-ast = ">=1.4.0"
+typing-extensions = ">=3.7.4"
 
 [package.extras]
+colorama = ["colorama (>=0.4.3)"]
 d = ["aiohttp (>=3.3.2)", "aiohttp-cors"]
 
 [[package]]
@@ -147,6 +150,14 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
 [package.extras]
 toml = ["toml"]
 
+[[package]]
+name = "dataclasses"
+version = "0.8"
+description = "A backport of the dataclasses module for Python 3.6"
+category = "dev"
+optional = false
+python-versions = ">=3.6, <3.7"
+
 [[package]]
 name = "distlib"
 version = "0.3.1"
@@ -1029,7 +1040,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "f9b9d14acb1db63d5f985fb7967df739432cbc19255eecd5df6158ce037b8920"
+content-hash = "125e28efacd349daec09772779a482880cc04efec2822f006112a4c0a2e73cbc"
 
 [metadata.files]
 alabaster = [
@@ -1065,8 +1076,7 @@ bandit = [
     {file = "bandit-1.7.0.tar.gz", hash = "sha256:8a4c7415254d75df8ff3c3b15cfe9042ecee628a1e40b44c15a98890fbfc2608"},
 ]
 black = [
-    {file = "black-19.10b0-py36-none-any.whl", hash = "sha256:1b30e59be925fafc1ee4565e5e08abef6b03fe455102883820fe5ee2e4734e0b"},
-    {file = "black-19.10b0.tar.gz", hash = "sha256:c2edb73a08e9e0e6f65a0e6af18b059b8b1cdd5bef997d7a0b181df93dc81539"},
+    {file = "black-20.8b1.tar.gz", hash = "sha256:1c02557aa099101b9d21496f8a914e9ed2222ef70336404eeeac8edba836fbea"},
 ]
 certifi = [
     {file = "certifi-2020.12.5-py2.py3-none-any.whl", hash = "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"},
@@ -1135,6 +1145,10 @@ coverage = [
     {file = "coverage-5.4-pp37-none-any.whl", hash = "sha256:cd601187476c6bed26a0398353212684c427e10a903aeafa6da40c63309d438b"},
     {file = "coverage-5.4.tar.gz", hash = "sha256:6d2e262e5e8da6fa56e774fb8e2643417351427604c2b177f8e8c5f75fc928ca"},
 ]
+dataclasses = [
+    {file = "dataclasses-0.8-py3-none-any.whl", hash = "sha256:0201d89fa866f68c8ebd9d08ee6ff50c0b255f8ec63a71c16fda7af82bb887bf"},
+    {file = "dataclasses-0.8.tar.gz", hash = "sha256:8479067f342acf957dc82ec415d355ab5edb7e7646b90dc6e2fd1d96ad084c97"},
+]
 distlib = [
     {file = "distlib-0.3.1-py2.py3-none-any.whl", hash = "sha256:8c09de2c67b3e7deef7184574fc060ab8a793e7adbb183d942c389c8b13c52fb"},
     {file = "distlib-0.3.1.zip", hash = "sha256:edf6116872c863e1aa9d5bb7cb5e05a022c519a4594dc703843343a9ddd9bff1"},

pyproject.toml

@@ -23,7 +23,7 @@ flake8-bandit = "^2.1.2"
 flake8-builtins = "^1.4.1"
 flake8-docstrings = "^1.6.0"
 flake8-rst-docstrings = "^0.0.14"
-black = "^19.10b0"
+black = "^20.8b1"
 flake8-black = "^0.2.0"
 isort = "^5.8.0"
 flake8-isort = "^4.0.0"