Improve CI (#282)

Author: AlexWaygood

.flake8

@@ -20,7 +20,8 @@
 [flake8]
 max-line-length = 80
 max-complexity = 12
-select = B,C,E,F,W,Y,B9
+noqa-require-code = true
+select = B,C,E,F,W,Y,B9,NQA
 per-file-ignores =
   *.py: B950, E203, E501, W503, W291, W293
   *.pyi: B, E301, E302, E305, E501, E701, E704, W503

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 22.6.0  # must match requirements-dev.txt
+    rev: 22.8.0  # must match requirements-dev.txt
     hooks:
       - id: black
         language_version: python3.9

pyproject.toml

@@ -4,12 +4,16 @@ combine_as_imports = true
 skip = ["tests/imports.pyi"]
 
 [tool.black]
+target-version = ['py37']
+skip-magic-trailing-comma = true
 force-exclude = ".*\\.pyi"
 
 [tool.mypy]
 show_error_codes = true
+show_traceback = true
+pretty = true
 strict = true
-enable_error_code = "ignore-without-code"
+enable_error_code = "ignore-without-code,redundant-expr"
 warn_unreachable = true
 allow_subclassing_any = true
 allow_untyped_defs = true

requirements-dev.txt

@@ -1,7 +1,8 @@
-black==22.6.0
-pytest==7.1.2
+black==22.8.0      # Must match .pre-commit-config.yaml
+pytest==7.1.3
 mypy==0.971
-isort==5.10.1
-flake8-bugbear==22.7.1
+isort==5.10.1      # Must match .pre-commit-config.yaml
+flake8-bugbear==22.8.23
+flake8-noqa==1.2.9
 types-pyflakes==2.5.0
 ast_decompiler<1.0; python_version < '3.9'