old_contents: # -*- coding: utf-8 -*-
  import sys
  import changelogs
  from packaging.version import parse
  import argparse
  import logging
  
  
  def main():
      parser = argparse.ArgumentParser(
          description='bla'
      )
      parser.add_argument("package", help="package name")
      parser.add_argument("vendor", help="vendor (pypi, npm, gem)", default="pypi", nargs='?')
      parser.add_argument("-v", "--verbose", help="increase output verbosity",
                          action="store_true")
      parser.add_argument("-c", "--commits", help="",
                          action="store_true")
  
      args = parser.parse_args()
      if args.verbose:
          logging.basicConfig(level=logging.DEBUG)
  
      if args.commits:
          data, raw_log = changelogs.get_commit_log(args.package, vendor=args.vendor)
      else:
          data = changelogs.get(args.package, vendor=args.vendor)
  
      for release in sorted(data.keys(), key=lambda v: parse(v), reverse=True):
          print(release)
          print(data[release])
  
      if not data and args.commits:
          print(raw_log)
  
  
  if __name__ == "__main__":
      main()
  
new_contents: # -*- coding: utf-8 -*-
  import sys
  import changelogs
  from packaging.version import parse
  import argparse
  import logging
  
  
  def main():
      parser = argparse.ArgumentParser(
          description='A changelog finder and parser for packages available on pypi, npm and rubygems.'
      )
      parser.add_argument("package", help="package name")
      parser.add_argument("vendor", help="vendor (pypi, npm, gem)", default="pypi", nargs='?')
      parser.add_argument("-v", "--verbose", help="increase output verbosity",
                          action="store_true")
      parser.add_argument("-c", "--commits", help="",
                          action="store_true")
  
      args = parser.parse_args()
      if args.verbose:
          logging.basicConfig(level=logging.DEBUG)
  
      if args.commits:
          data, raw_log = changelogs.get_commit_log(args.package, vendor=args.vendor)
      else:
          data = changelogs.get(args.package, vendor=args.vendor)
  
      for release in sorted(data.keys(), key=lambda v: parse(v), reverse=True):
          print(release)
          print(data[release])
  
      if not data and args.commits:
          print(raw_log)
  
  
  if __name__ == "__main__":
      main()
  
subject: Improve description