draft

noxfile.py

@@ -2,13 +2,15 @@
 
 import nox  # type: ignore
 
+PYTHON_ALL_VERSIONS = ["3.12", "3.11", "3.10", "3.9", "3.8"]
+PYTHON_DEFAULT_VERSION = "3.12"
 LINT_DEPENDENCIES = ["black", "isort", "mypy"]
 DEV_DEPENDENCIES = ["pytest", "pytest-cov", "pytest-httpserver"]
 
 nox.options.reuse_existing_virtualenvs = True
 
 
-@nox.session
+@nox.session(python=PYTHON_ALL_VERSIONS)
 def tests(session):
     session.run("python", "-m", "pip", "install", "--upgrade", "pip")
     session.install("-e", ".", *DEV_DEPENDENCIES)
@@ -25,7 +27,7 @@ def cover(session):
     session.run("coverage", "erase")
 
 
-@nox.session
+@nox.session(python=PYTHON_DEFAULT_VERSION)
 def lint(session):
     session.run("python", "-m", "pip", "install", "--upgrade", "pip")
     session.install(*LINT_DEPENDENCIES)
@@ -35,7 +37,7 @@ def lint(session):
     session.run("mypy", "--install-types", "--check-untyped-defs", *files)
 
 
-@nox.session
+@nox.session(python=PYTHON_ALL_VERSIONS)
 def develop(session):
     session.run("python", "-m", "pip", "install", "--upgrade", "pip")
     session.install(*DEV_DEPENDENCIES)