Building wheels for collected packages: pendulum
  Building wheel for pendulum (PEP 517) ... error
  ERROR: Command errored out with exit status 1:
   command: 'c:\python38\python.exe' 'c:\python38\lib\site-packages\pip\_vendor\pep517\_in_process.py' build_wheel 'C:\Users\adam\AppData\Local\Temp\tmpj19tpk5a'
       cwd: C:\Users\adam\AppData\Local\Temp\pip-install-g0l9pvd_\pendulum
  Complete output (24 lines):
  Traceback (most recent call last):
    File "setup.py", line 2, in <module>
      from setuptools import setup
  ModuleNotFoundError: No module named 'setuptools'
  Traceback (most recent call last):
    File "c:\python38\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 280, in <module>
      main()
    File "c:\python38\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 263, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "c:\python38\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 204, in build_wheel
      return _build_backend().build_wheel(wheel_directory, config_settings,
    File "C:\Users\adam\AppData\Local\Temp\pip-build-env-g8_9u9_d\overlay\Lib\site-packages\poetry\core\masonry\api.py", line 57, in build_wheel
      return unicode(WheelBuilder.make_in(poetry, Path(wheel_directory)))
    File "C:\Users\adam\AppData\Local\Temp\pip-build-env-g8_9u9_d\overlay\Lib\site-packages\poetry\core\masonry\builders\wheel.py", line 56, in make_in
      wb.build()
    File "C:\Users\adam\AppData\Local\Temp\pip-build-env-g8_9u9_d\overlay\Lib\site-packages\poetry\core\masonry\builders\wheel.py", line 82, in build
      self._build(zip_file)
    File "C:\Users\adam\AppData\Local\Temp\pip-build-env-g8_9u9_d\overlay\Lib\site-packages\poetry\core\masonry\builders\wheel.py", line 101, in _build
      self._run_build_command(setup)
    File "C:\Users\adam\AppData\Local\Temp\pip-build-env-g8_9u9_d\overlay\Lib\site-packages\poetry\core\masonry\builders\wheel.py", line 129, in _run_build_command
      subprocess.check_call(
    File "c:\python38\lib\subprocess.py", line 364, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command '['c:\\python38\\python.exe', 'setup.py', 'build', '-b', 'build']' returned non-zero exit status 1.
  ----------------------------------------
  ERROR: Failed building wheel for pendulum
Failed to build pendulum
ERROR: Could not build wheels for pendulum which use PEP 517 and cannot be installed directly

pip install pendulum==2.0.4

pip install prefect