Pin format requirements for the project

zanieb · web-flow · commit ea01274303ad · 2023-07-03T11:02:44.000-05:00
diff --git a/format-requirements.txt b/format-requirements.txt
@@ -0,0 +1,2 @@
+black==23.3.0
+isort==5.12.0
diff --git a/tox.ini b/tox.ini
@@ -16,9 +16,7 @@ commands = pytest --cov=h11 --cov-config=.coveragerc h11
 
 [testenv:format]
 basepython = python3.10
-deps =
-    black
-    isort
+deps = -r{toxinidir}/format-requirements.txt
 commands =
     black --check --diff h11/ bench/ examples/ fuzz/
     isort --check --diff --profile black --dt h11 bench examples fuzz
