spyder 4.1.0 หยุดทำงานหลังจากอัพเดต conda --all

ฉันเพิ่งรัน 'conda update --all' และหลังจากนั้น spyder จะไม่เริ่มทำงานและขัดข้องทุกครั้งที่ฉันพยายามเปิด มีรายงานข้อผิดพลาดให้

มีใครประสบปัญหาในการเปิด spyder ตั้งแต่อัพเดตแพ็คเกจอนาคอนด้าบ้างไหม?

Traceback (most recent call last):

  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\app\mainwindow.py", line 3705, in main
    mainwindow = run_spyder(app, options, args)

  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\app\mainwindow.py", line 3555, in run_spyder
    main.setup()
  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\app\mainwindow.py", line 973, in setup
    'spyder.plugins.{}'.format(plugin_name))

  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\plugins\pylint\__init__.py", line 14, in <module>
    from .plugin import Pylint as PLUGIN_CLASS

  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\plugins\pylint\plugin.py", line 29, in <module>
    from spyder.plugins.pylint.confpage import PylintConfigPage

  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\plugins\pylint\confpage.py", line 16, in <module>
    from spyder.plugins.pylint.widgets.pylintgui import PylintWidget

  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\plugins\pylint\widgets\pylintgui.py", line 37, in <module>
    from spyder.plugins.pylint.utils import get_pylintrc_path

  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\plugins\pylint\utils.py", line 16, in <module>
    import pylint.config

  File "C:\Users\username\AppData\Local\Continuum\anaconda3\lib\site-packages\pylint\config.py", line 54, in <module>
    import toml

ModuleNotFoundError: No module named 'toml'