old_contents: import platform
  from setuptools import setup, find_packages
  
  from pgcli import __version__
  
  description = "CLI for Postgres Database. With auto-completion and syntax highlighting."
  
  install_requirements = [
      "pgspecial>=1.11.8",
      "click >= 4.1",
      "Pygments >= 2.0",  # Pygments has to be Capitalcased. WTF?
      "prompt_toolkit>=3.0.6,<4.0.0",
      "psycopg2 >= 2.8",
      "sqlparse >=0.3.0,<0.4",
      "configobj >= 5.0.6",
      "pendulum>=2.1.0",
      "cli_helpers[styles] >= 2.0.0",
  ]
  
  
  # setproctitle is used to mask the password when running `ps` in command line.
  # But this is not necessary in Windows since the password is never shown in the
  # task manager. Also setproctitle is a hard dependency to install in Windows,
  # so we'll only install it if we're not in Windows.
  if platform.system() != "Windows" and not platform.system().startswith("CYGWIN"):
      install_requirements.append("setproctitle >= 1.1.9")
  
  setup(
      name="pgcli",
      author="Pgcli Core Team",
      author_email="pgcli-dev@googlegroups.com",
      version=__version__,
      license="BSD",
      url="http://pgcli.com",
      packages=find_packages(),
      package_data={"pgcli": ["pgclirc", "packages/pgliterals/pgliterals.json"]},
      description=description,
      long_description=open("README.rst").read(),
      install_requires=install_requirements,
      extras_require={"keyring": ["keyring >= 12.2.0"]},
      python_requires=">=3.6",
      entry_points="""
          [console_scripts]
          pgcli=pgcli.main:cli
      """,
      classifiers=[
          "Intended Audience :: Developers",
          "License :: OSI Approved :: BSD License",
          "Operating System :: Unix",
          "Programming Language :: Python",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
          "Programming Language :: SQL",
          "Topic :: Database",
          "Topic :: Database :: Front-Ends",
          "Topic :: Software Development",
          "Topic :: Software Development :: Libraries :: Python Modules",
      ],
  )
  
new_contents: import platform
  from setuptools import setup, find_packages
  
  from pgcli import __version__
  
  description = "CLI for Postgres Database. With auto-completion and syntax highlighting."
  
  install_requirements = [
      "pgspecial>=1.11.8",
      "click >= 4.1",
      "Pygments >= 2.0",  # Pygments has to be Capitalcased. WTF?
      # We still need to use pt-2 unless pt-3 released on Fedora32
      # see: https://github.com/dbcli/pgcli/pull/1197
      "prompt_toolkit>=2.0.6,<4.0.0",
      "psycopg2 >= 2.8",
      "sqlparse >=0.3.0,<0.4",
      "configobj >= 5.0.6",
      "pendulum>=2.1.0",
      "cli_helpers[styles] >= 2.0.0",
  ]
  
  
  # setproctitle is used to mask the password when running `ps` in command line.
  # But this is not necessary in Windows since the password is never shown in the
  # task manager. Also setproctitle is a hard dependency to install in Windows,
  # so we'll only install it if we're not in Windows.
  if platform.system() != "Windows" and not platform.system().startswith("CYGWIN"):
      install_requirements.append("setproctitle >= 1.1.9")
  
  setup(
      name="pgcli",
      author="Pgcli Core Team",
      author_email="pgcli-dev@googlegroups.com",
      version=__version__,
      license="BSD",
      url="http://pgcli.com",
      packages=find_packages(),
      package_data={"pgcli": ["pgclirc", "packages/pgliterals/pgliterals.json"]},
      description=description,
      long_description=open("README.rst").read(),
      install_requires=install_requirements,
      extras_require={"keyring": ["keyring >= 12.2.0"]},
      python_requires=">=3.6",
      entry_points="""
          [console_scripts]
          pgcli=pgcli.main:cli
      """,
      classifiers=[
          "Intended Audience :: Developers",
          "License :: OSI Approved :: BSD License",
          "Operating System :: Unix",
          "Programming Language :: Python",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
          "Programming Language :: SQL",
          "Topic :: Database",
          "Topic :: Database :: Front-Ends",
          "Topic :: Software Development",
          "Topic :: Software Development :: Libraries :: Python Modules",
      ],
  )
  
subject: revert prompt_toolkit to 2.0.6