code: def release_python_sdist():
      run("rm -f dist/*")
      run("python setup.py sdist")
      run("twine upload dist/*")
  
imports: import os
  import tempfile
  import itertools
  import shutil
  import re
  from invoke import task, run
  from subprocess import call
  import semver
label_desc: Use image node_id 6 for calling a global function with example usage: release_python_sdist() without return types