code: def lint(session):
      
  
      session.install("black", "flake8", *LOCAL_DEPS)
      session.install(".")
      session.run("flake8", os.path.join("google", "cloud", "bigquery"))
      session.run("flake8", "tests")
      session.run("flake8", os.path.join("docs", "snippets.py"))
      session.run("black", "--check", *BLACK_PATHS)
docs: Run linters.
  
      Returns a failure if the linters find linting errors or sufficiently
      serious code quality issues.