Проблемы с установкой PyYAML-5.3.1

[Пётртртр]

Установил pyenv, в нём установил python3.7.9, набираю в терминале

Код: [Выделить]

pip3 install pyyamlВ ответ

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Код: [Выделить]

Collecting pyyaml
  Using cached PyYAML-5.3.1.tar.gz (269 kB)
    ERROR: Command errored out with exit status 1:
     command: /home/user/.pyenv/versions/3.7.9/bin/python3.7 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-3kpgcd85/pyyaml/setup.py'"'"'; __file__='"'"'/tmp/pip-install-3kpgcd85/pyyaml/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-32pu6mef
         cwd: /tmp/pip-install-3kpgcd85/pyyaml/
    Complete output (11 lines):
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/home/user/.pyenv/versions/3.7.9/lib/python3.7/site-packages/setuptools/__init__.py", line 19, in <module>
        from setuptools.dist import Distribution
      File "/home/user/.pyenv/versions/3.7.9/lib/python3.7/site-packages/setuptools/dist.py", line 34, in <module>
        from setuptools import windows_support
      File "/home/user/.pyenv/versions/3.7.9/lib/python3.7/site-packages/setuptools/windows_support.py", line 2, in <module>
        import ctypes
      File "/home/user/.pyenv/versions/3.7.9/lib/python3.7/ctypes/__init__.py", line 7, in <module>
        from _ctypes import Union, Structure, Array
    ModuleNotFoundError: No module named '_ctypes'
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
WARNING: You are using pip version 20.1.1; however, version 20.2.2 is available.
You should consider upgrading via the '/home/user/.pyenv/versions/3.7.9/bin/python3.7 -m pip install --upgrade pip' command.