diff --git a/py/pyproject.toml b/py/pyproject.toml
index 87d451bbf987f..8a5e26071de6a 100644
--- a/py/pyproject.toml
+++ b/py/pyproject.toml
@@ -61,3 +61,19 @@ ignore_missing_imports = true
 [[tool.mypy._winreg]]
 # suppress error messages about imports that cannot be resolved.
 ignore_missing_imports = true
+
+[tool.isort]
+# isort is a common python tool for keeping imports nicely formatted.
+# Automatically keep imports alphabetically sorted, on single lines in
+# PEP recommended sections (https://peps.python.org/pep-0008/#imports)
+# files or individual lines can be ignored via `# isort:skip|# isort:skip_file`.
+profile = "black"
+py_version=38
+force_single_line = true
+
+[tool.black]
+line-length = 120
+target-version = ['py38']
+
+[tool.docformatter]
+recursive = true
diff --git a/py/setup.cfg b/py/setup.cfg
index 0cda7cace9e8c..c8eb38080b7d3 100644
--- a/py/setup.cfg
+++ b/py/setup.cfg
@@ -4,8 +4,3 @@ exclude = .tox,docs/source/conf.py,*venv
 extend-ignore = E501, E203
 # This does nothing for now as E501 is ignored.
 max-line-length = 120
-
-[tool:pytest]
-addopts = -ra
-python_files = test_*.py *_tests.py
-testpaths = test
diff --git a/py/tox.ini b/py/tox.ini
index f454af1ee3347..fefb4daa3997f 100644
--- a/py/tox.ini
+++ b/py/tox.ini
@@ -25,17 +25,6 @@ deps =
   trio-typing==0.7.0
 commands = mypy --install-types {posargs}
 
-
-[isort]
-; isort is a common python tool for keeping imports nicely formatted.
-; Automatically keep imports alphabetically sorted, on single lines in
-; PEP recommended sections (https://peps.python.org/pep-0008/#imports)
-; files or individual lines can be ignored via `# isort:skip|# isort:skip_file`.
-profile = black
-py_version=38
-force_single_line = True
-
-
 [testenv:linting-ci]
 ; checks linting for CI with stricter exiting when failing.
 skip_install = true