每当我尝试安装软件包时，例如pip3 install PyQt5，该命令就会失败，并显示一条有关/tmp目录中缺少目录的消息

pip3 install PyQt5
Collecting PyQt5
  Downloading https://files.pythonhosted.org/packages/3a/fb/eb51731f2dc7c22d8e1a63ba88fb702727b324c6352183a32f27f73b8116/PyQt5-5.14.1.tar.gz (3.2MB)
    100% |████████████████████████████████| 3.2MB 19.3MB/s 
  Installing build dependencies ... done
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>",line 1,in <module>
      File "/usr/lib/python3.7/tokenize.py",line 447,in open
        buffer = _builtin_open(filename,'rb')
    FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-install-0shdy0kn/PyQt5/setup.py'

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-0shdy0kn/PyQt5/

当我在/tmp目录中查看时，不存在pip-install-xxxxxxx目录，并且看起来该过程根本没有创建它们。