old_contents: """Mailmerge build and install configuration."""
  import os
  import io
  import setuptools
  
  
  # Read the contents of README file
  PROJECT_DIR = os.path.abspath(os.path.dirname(__file__))
  with io.open(os.path.join(PROJECT_DIR, "README.md"), encoding="utf-8") as f:
      LONG_DESCRIPTION = f.read()
  
  
  setuptools.setup(
      name="mailmerge",
      description="A simple, command line mail merge tool",
      long_description=LONG_DESCRIPTION,
      long_description_content_type="text/markdown",
      version="2.2.0",
      author="Andrew DeOrio",
      author_email="awdeorio@umich.edu",
      url="https://github.com/awdeorio/mailmerge/",
      license="MIT",
      packages=["mailmerge"],
      keywords=["mail merge", "mailmerge", "email"],
      install_requires=[
          "click",
          "configparser;python_version<'3.6'",
  
          # We mock the time when testing the rate limit feature
          "freezegun",
  
          # The attachments feature relies on a bug fix in the future library
          # https://github.com/awdeorio/mailmerge/pull/56
          "future>0.18.0",
  
          "jinja2",
          "markdown",
          "pathlib2;python_version<'3.6'",
          "html5"
      ],
      extras_require={
          "dev": [
              "pdbpp",
              "twine",
              "tox",
          ],
          "test": [
              "check-manifest",
              "codecov>=1.4.0",
              "pycodestyle",
              "pydocstyle",
              "pylint",
              "pytest",
              "pytest-cov",
              "pytest-mock",
  
              # Work around a dependency bug (I think) in pytest + python3.4
              "typing;python_version=='3.4'",
  
              "sh",
          ],
      },
  
      # Python command line utilities will be installed in a PATH-accessible bin/
      entry_points={
          "console_scripts": [
              "mailmerge = mailmerge.__main__:main",
          ]
      },
  )
  
new_contents: """Mailmerge build and install configuration."""
  from pathlib import Path
  import setuptools
  
  
  # Read the contents of README file
  PROJECT_DIR = Path(__file__).parent
  README = PROJECT_DIR/"README.md"
  LONG_DESCRIPTION = README.open().read()
  
  
  setuptools.setup(
      name="mailmerge",
      description="A simple, command line mail merge tool",
      long_description=LONG_DESCRIPTION,
      long_description_content_type="text/markdown",
      version="2.2.0",
      author="Andrew DeOrio",
      author_email="awdeorio@umich.edu",
      url="https://github.com/awdeorio/mailmerge/",
      license="MIT",
      packages=["mailmerge"],
      keywords=["mail merge", "mailmerge", "email"],
      install_requires=[
          "click",
          "configparser;python_version<'3.6'",
          "jinja2",
          "markdown",
          "html5"
      ],
      extras_require={
          "dev": [
              "pdbpp",
              "twine",
              "tox",
          ],
          "test": [
              "check-manifest",
              "codecov>=1.4.0",
              "freezegun",
              "pycodestyle",
              "pydocstyle",
              "pylint",
              "pytest",
              "pytest-cov",
              "pytest-mock",
              "sh",
  
              # Work around a dependency bug (I think) in pytest + python3.4
              "typing;python_version=='3.4'",
          ],
      },
  
      # Python command line utilities will be installed in a PATH-accessible bin/
      entry_points={
          "console_scripts": [
              "mailmerge = mailmerge.__main__:main",
          ]
      },
  )
  
subject: Update dependencies in setup.py