dev: remove isort usage throughout the repository

.github/workflows/lint.yml

@@ -30,7 +30,6 @@ jobs:
     - name: Code style check
       run: |
         tox -e black-check
-        tox -e isort-check
         tox -e flake8
         tox -e vulture
         tox -e darglint

CONTRIBUTING.md

@@ -71,16 +71,14 @@ make safety
 make bandit
 ```
 
-- To apply [`black`](https://black.readthedocs.io/en/stable/) and [`isort`](https://pycqa.github.io/isort/index.html) code formatters:
+- To apply [`black`](https://black.readthedocs.io/en/stable/) code formatter:
 ```
 make black
-make isort
 ```
 
 - whereas, to only check compliance:
 ```
 make black-check
-make isort-check
 ```
 
 - To run tests: `make test`.

Makefile

@@ -57,9 +57,9 @@ clean-test: ## remove test and coverage artifacts
 	rm -fr .mypy_cache
 	rm -fr coverage.xml
 
-lint-all: black isort flake8 static bandit safety vulture darglint pylint ## run all linters
+lint-all: black flake8 static bandit safety vulture darglint pylint ## run all linters
 
-lint-all-files: black-files isort-files flake8-files static-files bandit-files vulture-files darglint-files pylint-files ## run all linters for specific files (specified with files="file1 file2 somedir ...")
+lint-all-files: black-files flake8-files static-files bandit-files vulture-files darglint-files pylint-files ## run all linters for specific files (specified with files="file1 file2 somedir ...")
 
 flake8: ## check style with flake8
 	flake8 black_it tests scripts examples
@@ -75,20 +75,6 @@ static-files: ## static type checking with mypy for specific files (specified wi
 	$(call check_defined, files)
 	mypy $(files)
 
-isort: ## sort import statements with isort
-	isort black_it tests scripts examples
-
-isort-files: ## sort import statements with isort for specific files (specified with files="file1 file2 somedir ...")
-	$(call check_defined, files)
-	isort $(files)
-
-isort-check: ## check import statements order with isort
-	isort --check-only black_it tests scripts examples
-
-isort-check-files: ## check import statements order with isort for specific files (specified with files="file1 file2 somedir ...")
-	$(call check_defined, files)
-	isort --check-only $(files)
-
 black: ## apply black formatting
 	black black_it tests scripts examples
 

setup.cfg

@@ -28,15 +28,6 @@ exclude =
 max-complexity = 10
 max-line-length = 120
 
-[isort]
-multi_line_output=3
-include_trailing_comma=True
-force_grid_wrap=0
-use_parentheses=True
-line_length=88
-ensure_newline_before_comments=True
-known_third_party=xgboost
-
 [black]
 exclude = "scripts/whitelists/"
 

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 isolated_build = True
-envlist = bandit, safety, check-copyright, black-check, isort-check, vulture, flake8, mypy, pylint, py3{8,9,10}, docs
+envlist = bandit, safety, check-copyright, black-check, vulture, flake8, mypy, pylint, py3{8,9,10}, docs
 
 [tox:.package]
 # note tox will use the same python version as under what tox is installed to package
@@ -48,7 +48,6 @@ deps =
     flake8-bugbear==23.3.12
     flake8-docstrings==1.7.0
     flake8-eradicate==1.5.0
-    flake8-isort==6.0.0
     pydocstyle==6.3.0
 commands =
     flake8 black_it tests scripts examples
@@ -80,16 +79,6 @@ skip_install = True
 deps = black==23.7.0
 commands = black black_it tests scripts examples --check --verbose
 
-[testenv:isort]
-skip_install = True
-deps = isort==5.12.0
-commands = isort black_it tests scripts examples
-
-[testenv:isort-check]
-skip_install = True
-deps = isort==5.12.0
-commands = isort --check-only black_it tests scripts examples
-
 [testenv:bandit]
 skipsdist = True
 skip_install = True