old_contents: import nox
  
  
  @nox.session
  def lint(session):
      lint_tools = ["black", "isort", "flake8"]
      targets = ["tabula", "tests", "noxfile.py"]
      session.install(*lint_tools)
      session.run("flake8", *targets)
      session.run("black", "--diff", "--check", *targets)
      session.run("isort", "--check-only")
  
  
  @nox.session
  def tests(session):
      session.install(".[test]")
      session.run("pytest", "-v")
  
new_contents: import nox
  
  
  @nox.session
  def lint(session):
      lint_tools = ["black", "isort", "flake8"]
      targets = ["tabula", "tests", "noxfile.py"]
      session.install(*lint_tools)
      session.run("flake8", *targets)
      session.run("black", "--diff", "--check", *targets)
      session.run("isort", "--check-only", *targets)
  
  
  @nox.session
  def tests(session):
      session.install(".[test]")
      session.run("pytest", "-v")
  
subject: fix isort option