old_contents: from datetime import datetime
  from setuptools import setup
  from pathlib import Path
  
  stub_root = Path("circuitpython-stubs")
  stubs = [p.relative_to(stub_root).as_posix() for p in stub_root.glob("*.pyi")]
  
  setup(
      name="circuitpython-stubs",
      description="PEP 561 type stubs for CircuitPython",
      url="https://github.com/adafruit/circuitpython",
      maintainer="CircuitPythonistas",
      author_email="circuitpython@adafruit.com",
      use_scm_version=True,
      license="MIT",
      package_data={"circuitpython-stubs": stubs},
      packages=["circuitpython-stubs"],
      setup_requires=["setuptools>=38.6.0",
                      "setuptools_scm"],
  )
  
new_contents: from datetime import datetime
  from setuptools import setup
  from pathlib import Path
  import subprocess
  import re
  
  stub_root = Path("circuitpython-stubs")
  stubs = [p.relative_to(stub_root).as_posix() for p in stub_root.glob("*.pyi")]
  
  git_out = subprocess.check_output(["git", "describe", "--tags"])
  version = git_out.strip().decode("utf-8")
  
  # Detect a development build and mutate it to be valid semver and valid python version.
  pieces = version.split("-")
  if len(pieces) > 2:
      # Merge the commit portion onto the commit count since the tag.
      pieces[-2] += "+" + pieces[-1]
      pieces.pop()
      # Merge the commit count and build to the pre-release identifier.
      pieces[-2] += ".dev." + pieces[-1]
      pieces.pop()
  version = "-".join(pieces)
  
  setup(
      name="circuitpython-stubs",
      description="PEP 561 type stubs for CircuitPython",
      url="https://github.com/adafruit/circuitpython",
      maintainer="CircuitPythonistas",
      maintainer_email="circuitpython@adafruit.com",
      author_email="circuitpython@adafruit.com",
      version=version,
      license="MIT",
      package_data={"circuitpython-stubs": stubs},
      packages=["circuitpython-stubs"],
      setup_requires=["setuptools>=38.6.0"],
  )
  
subject: Correct version numbering