old_contents: import glob
  import os
  import shutil
  
  from invoke import task
  
  import stochopy
  
  
  @task
  def build(c):
      shutil.rmtree("dist", ignore_errors=True)
      c.run("python -m pep517.build --source --binary .")
  
  
  @task
  def tag(c):
      c.run("git tag v{}".format(stochopy.__version__))
      c.run("git push --tags")
  
  
  @task
  def upload(c):
      c.run("twine upload dist/*")
  
  
  @task
  def clean(c, bytecode=False):
      patterns = [
          "build",
          "dist",
          "stochopy.egg-info",
      ]
  
      if bytecode:
          patterns += glob.glob("**/*.pyc", recursive=True)
          patterns += glob.glob("**/__pycache__", recursive=True)
  
      for pattern in patterns:
          if os.path.isfile(pattern):
              os.remove(pattern)
          else:
              shutil.rmtree(pattern, ignore_errors=True)
  
  
  @task
  def black(c):
      c.run("black -t py36 stochopy")
      c.run("black -t py36 test")
  
  
  @task
  def docstring(c):
      c.run("docformatter -r -i --blank --wrap-summaries 88 --wrap-descriptions 88 --pre-summary-newline stochopy")
  
  
  @task
  def isort(c):
      c.run("isort -rc stochopy")
      c.run("isort -rc test")
  
  
  @task
  def format(c):
      c.run("invoke isort black docstring")
  
new_contents: import glob
  import os
  import shutil
  
  from invoke import task
  
  import stochopy
  
  
  @task
  def build(c):
      shutil.rmtree("dist", ignore_errors=True)
      c.run("python -m build --sdist --wheel .")
  
  
  @task
  def tag(c):
      c.run("git tag v{}".format(stochopy.__version__))
      c.run("git push --tags")
  
  
  @task
  def upload(c):
      c.run("twine upload dist/*")
  
  
  @task
  def clean(c, bytecode=False):
      patterns = [
          "build",
          "dist",
          "stochopy.egg-info",
      ]
  
      if bytecode:
          patterns += glob.glob("**/*.pyc", recursive=True)
          patterns += glob.glob("**/__pycache__", recursive=True)
  
      for pattern in patterns:
          if os.path.isfile(pattern):
              os.remove(pattern)
          else:
              shutil.rmtree(pattern, ignore_errors=True)
  
  
  @task
  def black(c):
      c.run("black -t py36 stochopy")
      c.run("black -t py36 test")
  
  
  @task
  def docstring(c):
      c.run("docformatter -r -i --blank --wrap-summaries 88 --wrap-descriptions 88 --pre-summary-newline stochopy")
  
  
  @task
  def isort(c):
      c.run("isort stochopy")
      c.run("isort test")
  
  
  @task
  def format(c):
      c.run("invoke isort black docstring")
  
subject: use python build module