ERROR: Command errored out with exit status 1:
   command: /tmp/testenv/bin/python -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-r8b4xqgi/docutils_459783958fce4136b27e3bc6ec961dba/setup.py'"'"'; __file__='"'"'/tmp/pip-install-r8b4xqgi/docutils_459783958fce4136b27e3bc6ec961dba/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-_qz_txff
       cwd: /tmp/pip-install-r8b4xqgi/docutils_459783958fce4136b27e3bc6ec961dba/
  Complete output (35 lines):
  running egg_info
  creating /tmp/pip-pip-egg-info-_qz_txff/docutils.egg-info
  writing /tmp/pip-pip-egg-info-_qz_txff/docutils.egg-info/PKG-INFO
  writing dependency_links to /tmp/pip-pip-egg-info-_qz_txff/docutils.egg-info/dependency_links.txt
  writing top-level names to /tmp/pip-pip-egg-info-_qz_txff/docutils.egg-info/top_level.txt
  writing manifest file '/tmp/pip-pip-egg-info-_qz_txff/docutils.egg-info/SOURCES.txt'
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/tmp/pip-install-r8b4xqgi/docutils_459783958fce4136b27e3bc6ec961dba/setup.py", line 221, in <module>
      do_setup()
    File "/tmp/pip-install-r8b4xqgi/docutils_459783958fce4136b27e3bc6ec961dba/setup.py", line 98, in do_setup
      dist = setup(**kwargs)
    File "/usr/lib/python3.9/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/usr/lib/python3.9/distutils/dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "/usr/lib/python3.9/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/tmp/testenv/lib/python3.9/site-packages/setuptools/command/egg_info.py", line 299, in run
      self.find_sources()
    File "/tmp/testenv/lib/python3.9/site-packages/setuptools/command/egg_info.py", line 306, in find_sources
      mm.run()
    File "/tmp/testenv/lib/python3.9/site-packages/setuptools/command/egg_info.py", line 541, in run
      self.add_defaults()
    File "/tmp/testenv/lib/python3.9/site-packages/setuptools/command/egg_info.py", line 578, in add_defaults
      sdist.add_defaults(self)
    File "/usr/lib/python3.9/distutils/command/sdist.py", line 226, in add_defaults
      self._add_defaults_python()
    File "/tmp/testenv/lib/python3.9/site-packages/setuptools/command/sdist.py", line 113, in _add_defaults_python
      self._add_data_files(self._safe_data_files(build_py))
    File "/tmp/testenv/lib/python3.9/site-packages/setuptools/command/egg_info.py", line 621, in _safe_data_files
      return build_py.get_data_files_without_manifest()
    File "/usr/lib/python3.9/distutils/cmd.py", line 103, in __getattr__
      raise AttributeError(attr)
  AttributeError: get_data_files_without_manifest
  ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/66/40/2b11ec2ec96d527ef933332a5847cc90860fd8bbee46da2cc468794ea25b/docutils-0.10.tar.gz#sha256=370624e61b6773da2f2fb17cc2a4eaea4bb596c3585d13f75ff193c1c738603e (from https://pypi.org/simple/docutils/). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
ERROR: Could not find a version that satisfies the requirement docutils==0.10 (from versions: 0.3, 0.3.5, 0.3.7, 0.3.9, 0.4, 0.5, 0.6, 0.7, 0.8, 0.8.1, 0.9, 0.9.1, 0.10, 0.11, 0.12, 0.13.1, 0.14rc1, 0.14rc2, 0.14, 0.15, 0.15.1.post1, 0.15.2, 0.16b0.dev0, 0.16rc1, 0.16, 0.17b1, 0.17, 0.17.1b1.dev0, 0.17.1, 0.18b1, 0.18)
ERROR: No matching distribution found for docutils==0.10