Switch to ruff's formatter and import sorting

Author: oprypin

.github/workflows/ci.yml

@@ -72,7 +72,6 @@ jobs:
       - name: Check formatting
         if: always()
         run: |
-          hatch run style:format
           git diff --color --exit-code
       - name: Check types
         if: always()

pyproject.toml

@@ -87,17 +87,14 @@ check = [
 skip-install = true
 dependencies = [
     "ruff",
-    "isort",
-    "black",
 ]
 [tool.hatch.envs.style.scripts]
 fix = [
     "ruff check --fix mkdocs_section_index tests",
     "format",
 ]
 format = [
-    "isort -q mkdocs_section_index tests",
-    "black -q mkdocs_section_index tests",
+    "ruff format -q mkdocs_section_index tests",
 ]
 
 [tool.hatch.envs.docs]
@@ -107,15 +104,10 @@ dependencies = [
     "mkdocs-material >=7.3.6",
 ]
 
-[tool.black]
-line-length = 100
-
-[tool.isort]
-profile = "black"
-line_length = 100
-
 [tool.ruff]
+line-length = 100
 select = [
+    "I",
     "F", "W", "E", "UP", "YTT", "C4", "DTZ", "FA", "ISC", "PIE", "T20", "RSE", "TCH",
     "B002", "B003", "B005", "B007", "B009", "B012", "B013", "B014", "B015", "B018", "B020", "B021", "B023", "B026", "B033", "B034", "B905",
     "COM818",
@@ -132,7 +124,7 @@ allow-dict-calls-with-keyword-arguments = true
 
 [tool.mypy]
 warn_unreachable = true
-show_error_codes = true
+allow_redefinition = true
 
 [tool.pytest.ini_options]
 addopts = "--tb=native"