C:\Small_Tools\Python\Python_3.9\Scripts>pip install --ignore-installed manager
Collecting manager
Using cached Manager-2.0.5.tar.gz (751 kB)
ERROR: Command errored out with exit status 1:
command: ‘c:\small_tools\python\python_3.9\python.exe’ -c ‘import sys, setuptools, tokenize; sys.argv[0] = ‘"’"‘C:\Users\xizheng\AppData\Local\Temp\1\pip-install-bi8k40f2\manager_6cf4b3885d254b49a298a86be4ecfa11\setup.py’"’"’; file=’"’"‘C:\Users\xizheng\AppData\Local\Temp\1\pip-install-bi8k40f2\manager_6cf4b3885d254b49a298a86be4ecfa11\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 ‘C:\Users\xizheng\AppData\Local\Temp\1\pip-pip-egg-info-8ckmi40g’
cwd: C:\Users\xizheng\AppData\Local\Temp\1\pip-install-bi8k40f2\manager_6cf4b3885d254b49a298a86be4ecfa11
Complete output (7 lines):
Traceback (most recent call last):
File “”, line 1, in
File “C:\Users\xizheng\AppData\Local\Temp\1\pip-install-bi8k40f2\manager_6cf4b3885d254b49a298a86be4ecfa11\setup.py”, line 35, in
_setEncoding()
File “C:\Users\xizheng\AppData\Local\Temp\1\pip-install-bi8k40f2\manager_6cf4b3885d254b49a298a86be4ecfa11\setup.py”, line 31, in _setEncoding
reload(sys)
NameError: name ‘reload’ is not defined
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/61/8d/3b9bce5400950d1029131dfcbb8b4487ca932abbe735bda412fdae149e7b/Manager-2.0.5.tar.gz#sha256=89d16c3835d66f2b95352ee4449f8ece0f983b0c5171ce0774128a129a879091 (from Links for Manager). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
Manager is Python 2-only, yet you’re trying to install it on Python 3, hence the error. The project appears to be unmaintained, so Python 3 support is most likely not forthcoming. Either use Python 2 instead or search for a different package with similar functionality that supports Python 3.