Bump Black and Flake8 deps (#416)

Co-authored-by: Gleb Nikonorov <gleb.i.nikonorov@gmail.com>

.pre-commit-config.yaml

@@ -1,58 +1,58 @@
 repos:
--   repo: https://github.com/psf/black
-    rev: 19.10b0
+  - repo: https://github.com/psf/black
+    rev: 20.8b1 # also bump this in Pipfile
     hooks:
-    -   id: black
+      - id: black
         args: [--safe, --quiet]
--   repo: https://github.com/asottile/blacken-docs
+  - repo: https://github.com/asottile/blacken-docs
     rev: v1.7.0
     hooks:
-    -   id: blacken-docs
-        additional_dependencies: [black==19.10b0]
--   repo: https://github.com/pre-commit/pre-commit-hooks
+      - id: blacken-docs
+        additional_dependencies: [black==20.8b1] # also bump this in Pipfile
+  - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v3.1.0
     hooks:
-    -   id: trailing-whitespace
-    -   id: end-of-file-fixer
-    -   id: fix-encoding-pragma
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: fix-encoding-pragma
         args: [--remove]
-    -   id: check-yaml
-    -   id: debug-statements
+      - id: check-yaml
+      - id: debug-statements
         language_version: python3
--   repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.2
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 3.8.4 # also bump this in Pipfile
     hooks:
-    -   id: flake8
+      - id: flake8
         language_version: python3
         additional_dependencies:
-        - flake8-builtins==1.5.3
-        - flake8-typing-imports==1.9.0
--   repo: https://github.com/asottile/reorder_python_imports
+          - flake8-builtins==1.5.3
+          - flake8-typing-imports==1.9.0
+  - repo: https://github.com/asottile/reorder_python_imports
     rev: v2.3.0
     hooks:
-    -   id: reorder-python-imports
-        args: ['--application-directories=.:src:testing', --py3-plus]
--   repo: https://github.com/asottile/pyupgrade
+      - id: reorder-python-imports
+        args: ["--application-directories=.:src:testing", --py3-plus]
+  - repo: https://github.com/asottile/pyupgrade
     rev: v2.4.4
     hooks:
-    -   id: pyupgrade
+      - id: pyupgrade
         args: [--py3-plus]
--   repo: https://github.com/pre-commit/mirrors-eslint
+  - repo: https://github.com/pre-commit/mirrors-eslint
     rev: v7.13.0
     hooks:
-    -   id: eslint
+      - id: eslint
         additional_dependencies:
-        - eslint@7.13.0
+          - eslint@7.13.0
         args: [src]
--   repo: local
+  - repo: local
     hooks:
-    -   id: rst
+      - id: rst
         name: rst
         entry: rst-lint --encoding utf-8
         files: ^(CHANGES.rst|development.rst|README.rst)$
         language: python
         additional_dependencies: [pygments, restructuredtext_lint]
--   repo: https://github.com/elidupuis/mirrors-sass-lint
-    rev: '5cc45653263b423398e4af2561fae362903dd45d'
+  - repo: https://github.com/elidupuis/mirrors-sass-lint
+    rev: "5cc45653263b423398e4af2561fae362903dd45d"
     hooks:
-    -   id: sass-lint
+      - id: sass-lint

Pipfile

@@ -6,8 +6,8 @@ verify_ssl = true
 [dev-packages]
 pytest = "*"
 tox = "*"
-flake8 = "*"
-black = "*"
+flake8 = "==3.8.4" # also bump this in .pre-commit-config.yaml
+black = "==20.8b1" # also bump this in .pre-commit-config.yaml
 pre-commit = "*"
 
 [packages]

testing/test_pytest_html.py

@@ -917,7 +917,8 @@ class TestHTML:
         assert_results(html, passed=1)
 
     @pytest.mark.parametrize(
-        "with_ansi", [True, False],
+        "with_ansi",
+        [True, False],
     )
     def test_ansi_color(self, testdir, mocker, with_ansi):
         if not with_ansi: