old_contents: import distutils.cmd
  import distutils.log
  import glob
  import os
  from setuptools import setup
  import subprocess
  
  # Regenerating the lexer/parser code needs antlr4 installed.
  # Ubuntu: $ sudo apt install antlr4
  # OS X: $ brew install antlr
  class AntlrGeneratorCommand(distutils.cmd.Command):
      """Runs ANTLR4 to generate lexer/parser source files."""
  
      description = 'run ANTLR4 to generate Python source files'
      user_options = []
  
      def initialize_options(self):
          pass
  
      def finalize_options(self):
          pass
  
      def run(self):
          print('Regenerating parser code using ANTLR...')
          target_dir = 'chord_labels/parser'
          for f in glob.glob(os.path.join(target_dir, 'ChordLabel*')):
              print('rm', f)
              os.remove(f)
          command = ['antlr4', '-Dlanguage=Python3', '-o', target_dir, 'ChordLabel.g4']
          self.announce('Running command: %s' % ' '.join(command), level=distutils.log.INFO)
          subprocess.check_call(command)
  
  setup(name='chord_labels',
        version='0.1',
        description='MIREX-style chord label parser',
        url='https://github.com/bzamecnik/chord_labels',
        author='Bohumir Zamecnik',
        author_email='bohumir.zamecnik@gmail.com',
        license='MIT',
        packages=['chord_labels', 'chord_labels.parser'],
        include_package_data=True,
        zip_safe=False,
        cmdclass={'antlr': AntlrGeneratorCommand},
        install_requires=[
          'antlr4-python3-runtime',
          'typing'
        ],
        # brew install pandoc
        # setup_requires=['setuptools-markdown'],
        # long_description_markdown_filename='README.md',
        # See https://pypi.python.org/pypi?%3Aaction=list_classifiers
        classifiers=[
            # How mature is this project? Common values are
            #   3 - Alpha
            #   4 - Beta
            #   5 - Production/Stable
            'Development Status :: 3 - Alpha',
  
            'Intended Audience :: Developers',
            'Intended Audience :: Science/Research',
  
            'License :: OSI Approved :: MIT License',
  
            'Programming Language :: Python :: 3',
  
            'Operating System :: POSIX :: Linux'
        ],
        # entry_points={
            # 'console_scripts': [
            #     'chord_labels = chord_labels.__main__:main'
            # ]
        # }
  )
  
new_contents: import distutils.cmd
  import distutils.log
  import glob
  import os
  from setuptools import setup
  import subprocess
  
  # Regenerating the lexer/parser code needs antlr4 installed.
  # Ubuntu: $ sudo apt install antlr4
  # OS X: $ brew install antlr
  class AntlrGeneratorCommand(distutils.cmd.Command):
      """Runs ANTLR4 to generate lexer/parser source files."""
  
      description = 'run ANTLR4 to generate Python source files'
      user_options = []
  
      def initialize_options(self):
          pass
  
      def finalize_options(self):
          pass
  
      def run(self):
          print('Regenerating parser code using ANTLR...')
          target_dir = 'chord_labels/parser'
          for f in glob.glob(os.path.join(target_dir, 'ChordLabel*')):
              print('rm', f)
              os.remove(f)
          command = ['antlr4', '-Dlanguage=Python3', '-o', target_dir, 'ChordLabel.g4']
          self.announce('Running command: %s' % ' '.join(command), level=distutils.log.INFO)
          subprocess.check_call(command)
  
  setup(name='chord_labels',
        version='0.1',
        description='MIREX-style chord label parser',
        url='https://github.com/bzamecnik/chord-labels',
        author='Bohumir Zamecnik',
        author_email='bohumir.zamecnik@gmail.com',
        license='MIT',
        packages=['chord_labels', 'chord_labels.parser'],
        include_package_data=True,
        zip_safe=False,
        cmdclass={'antlr': AntlrGeneratorCommand},
        install_requires=[
          'antlr4-python3-runtime',
          'typing'
        ],
        # brew install pandoc
        # setup_requires=['setuptools-markdown'],
        # long_description_markdown_filename='README.md',
        # See https://pypi.python.org/pypi?%3Aaction=list_classifiers
        classifiers=[
            # How mature is this project? Common values are
            #   3 - Alpha
            #   4 - Beta
            #   5 - Production/Stable
            'Development Status :: 3 - Alpha',
  
            'Intended Audience :: Developers',
            'Intended Audience :: Science/Research',
  
            'License :: OSI Approved :: MIT License',
  
            'Programming Language :: Python :: 3',
  
            'Operating System :: POSIX :: Linux'
        ],
        # entry_points={
            # 'console_scripts': [
            #     'chord_labels = chord_labels.__main__:main'
            # ]
        # }
  )
  
subject: Fix the git repo URL.