old_contents: import os.path
  import sys
  import itertools
  
  from setuptools import find_packages, setup
  
  # Don't import gym module here, since deps may not be installed
  sys.path.insert(0, os.path.join(os.path.dirname(__file__), "gym"))
  from version import VERSION
  
  # Environment-specific dependencies.
  extras = {
      "atari": ["ale-py~=0.7.1"],
      "accept-rom-license": ["autorom[accept-rom-license]~=0.4.2"],
      "box2d": ["box2d-py==2.3.5", "pygame==2.1.0"],
      "classic_control": ["pygame==2.1.0"],
      "mujoco": ["mujoco_py>=1.50, <2.0"],
      "toy_text": ["pygame==2.1.0", "scipy>=1.4.1"],
      "other": ["lz4>=3.1.0", "opencv-python>=3.0"],
  }
  
  # Meta dependency groups.
  nomujoco_blacklist = set(["mujoco", "accept-rom-license", "atari"])
  nomujoco_groups = set(extras.keys()) - nomujoco_blacklist
  
  extras["nomujoco"] = list(
      itertools.chain.from_iterable(map(lambda group: extras[group], nomujoco_groups))
  )
  
  
  all_blacklist = set(["accept-rom-license"])
  all_groups = set(extras.keys()) - all_blacklist
  
  extras["all"] = list(
      itertools.chain.from_iterable(map(lambda group: extras[group], all_groups))
  )
  
  setup(
      name="gym",
      version=VERSION,
      description="Gym: A universal API for reinforcement learning environments.",
      url="https://github.com/openai/gym",
      author="Gym Community",
      author_email="jkterry@umd.edu",
      license="MIT",
      packages=[package for package in find_packages() if package.startswith("gym")],
      zip_safe=False,
      install_requires=[
          "numpy>=1.18.0",
          "cloudpickle>=1.2.0",
          "importlib_metadata>=4.10.0; python_version < '3.10'",
      ],
      extras_require=extras,
      package_data={
          "gym": [
              "envs/mujoco/assets/*.xml",
              "envs/classic_control/assets/*.png",
              "envs/toy_text/font/*.ttf",
              "envs/toy_text/img/*.png",
          ]
      },
      tests_require=["pytest", "mock"],
      python_requires=">=3.7",
      classifiers=[
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
          "Programming Language :: Python :: 3.9",
          "Programming Language :: Python :: 3.10",
      ],
  )
  
new_contents: import os.path
  import sys
  import itertools
  
  from setuptools import find_packages, setup
  
  # Don't import gym module here, since deps may not be installed
  sys.path.insert(0, os.path.join(os.path.dirname(__file__), "gym"))
  from version import VERSION
  
  # Environment-specific dependencies.
  extras = {
      "atari": ["ale-py~=0.7.4"],
      "accept-rom-license": ["autorom[accept-rom-license]~=0.4.2"],
      "box2d": ["box2d-py==2.3.5", "pygame==2.1.0"],
      "classic_control": ["pygame==2.1.0"],
      "mujoco": ["mujoco_py>=1.50, <2.0"],
      "toy_text": ["pygame==2.1.0", "scipy>=1.4.1"],
      "other": ["lz4>=3.1.0", "opencv-python>=3.0"],
  }
  
  # Meta dependency groups.
  nomujoco_blacklist = set(["mujoco", "accept-rom-license", "atari"])
  nomujoco_groups = set(extras.keys()) - nomujoco_blacklist
  
  extras["nomujoco"] = list(
      itertools.chain.from_iterable(map(lambda group: extras[group], nomujoco_groups))
  )
  
  
  all_blacklist = set(["accept-rom-license"])
  all_groups = set(extras.keys()) - all_blacklist
  
  extras["all"] = list(
      itertools.chain.from_iterable(map(lambda group: extras[group], all_groups))
  )
  
  setup(
      name="gym",
      version=VERSION,
      description="Gym: A universal API for reinforcement learning environments.",
      url="https://github.com/openai/gym",
      author="Gym Community",
      author_email="jkterry@umd.edu",
      license="MIT",
      packages=[package for package in find_packages() if package.startswith("gym")],
      zip_safe=False,
      install_requires=[
          "numpy>=1.18.0",
          "cloudpickle>=1.2.0",
          "importlib_metadata>=4.10.0; python_version < '3.10'",
      ],
      extras_require=extras,
      package_data={
          "gym": [
              "envs/mujoco/assets/*.xml",
              "envs/classic_control/assets/*.png",
              "envs/toy_text/font/*.ttf",
              "envs/toy_text/img/*.png",
          ]
      },
      tests_require=["pytest", "mock"],
      python_requires=">=3.7",
      classifiers=[
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
          "Programming Language :: Python :: 3.9",
          "Programming Language :: Python :: 3.10",
      ],
  )
  
subject: Bump ale-py v0.7.4 (#2621)