当我尝试安装pip时，请安装pyqt5-tools。它显示以下错误。我该怎么办？

Question

pip install pyqt5-tools
Traceback (most recent call last):
  File "c:\program files (x86)\python38-32\lib\runpy.py", line 193, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "c:\program files (x86)\python38-32\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "C:\Program Files (x86)\Python38-32\Scripts\pip.exe\__main__.py", line 9, in <module>
TypeError: 'module' object is not callable