old_contents: from setuptools import setup, find_packages
  
  
  setup(
      name="python-json-logger",
      version="2.0.0",
      url="http://github.com/madzak/python-json-logger",
      license="BSD",
      description="A python library adding a json log formatter",
      author="Zakaria Zajac",
      author_email="zak@madzak.com",
      package_dir={'': 'src'},
      packages=find_packages("src", exclude="tests"),
      # https://packaging.python.org/guides/distributing-packages-using-setuptools/#python-requires
      python_requires='>=3.4',
      test_suite="tests.tests",
      classifiers=[
          'Development Status :: 3 - Alpha',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Topic :: System :: Logging',
      ]
  )
  
new_contents: from setuptools import setup, find_packages
  
  # read the contents of your README file
  from os import path
  this_directory = path.abspath(path.dirname(__file__))
  with open(path.join(this_directory, 'README.md'), encoding='utf-8') as f:
      long_description = f.read()
  
  setup(
      name="python-json-logger",
      version="2.0.0",
      url="http://github.com/madzak/python-json-logger",
      license="BSD",
      description="A python library adding a json log formatter",
      long_description=long_description,
      long_description_content_type='text/markdown',
      author="Zakaria Zajac",
      author_email="zak@madzak.com",
      package_dir={'': 'src'},
      packages=find_packages("src", exclude="tests"),
      # https://packaging.python.org/guides/distributing-packages-using-setuptools/#python-requires
      python_requires='>=3.4',
      test_suite="tests.tests",
      classifiers=[
          'Development Status :: 3 - Alpha',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Topic :: System :: Logging',
      ]
  )
  
subject: update setup.py to include a long_description