old_contents: import setuptools
  from imgtool import imgtool_version
  
  setuptools.setup(
      name="imgtool",
      version=imgtool_version,
      author="The MCUboot commiters",
      description=("MCUboot's image signing and key management"),
      license="Apache Software License",
      url="http://github.com/JuulLabs-OSS/mcuboot",
      packages=setuptools.find_packages(),
      install_requires=[
          'cryptography>=2.4.2',
          'intelhex>=2.2.1',
          'click',
      ],
      entry_points={
          "console_scripts": ["imgtool=imgtool.main:imgtool"]
      },
      classifiers=[
          "Programming Language :: Python :: 3",
          "Development Status :: 4 - Beta",
          "Topic :: Software Development :: Build Tools",
          "License :: OSI Approved :: Apache Software License",
      ],
  )
  
new_contents: import setuptools
  from imgtool import imgtool_version
  
  setuptools.setup(
      name="imgtool",
      version=imgtool_version,
      author="The MCUboot commiters",
      author_email="None",
      description=("MCUboot's image signing and key management"),
      license="Apache Software License",
      url="http://github.com/JuulLabs-OSS/mcuboot",
      packages=setuptools.find_packages(),
      install_requires=[
          'cryptography>=2.4.2',
          'intelhex>=2.2.1',
          'click',
      ],
      entry_points={
          "console_scripts": ["imgtool=imgtool.main:imgtool"]
      },
      classifiers=[
          "Programming Language :: Python :: 3",
          "Development Status :: 4 - Beta",
          "Topic :: Software Development :: Build Tools",
          "License :: OSI Approved :: Apache Software License",
      ],
  )
  
subject: Fix author_email UNKNOWN in pip show