Jupyter notebook note opening

File “C:\Users\MY PC\anaconda3\Scripts\jupyter-notebook-script.py”, line 6, in
from notebook.notebookapp import main
File “C:\Users\MY PC\anaconda3\lib\site-packages\notebook\notebookapp.py”, line 78, in
from .services.kernels.kernelmanager import MappingKernelManager, AsyncMappingKernelManager
File “C:\Users\MY PC\anaconda3\lib\site-packages\notebook\services\kernels\kernelmanager.py”, line 18, in
from jupyter_client.session import Session
File “C:\Users\MY PC\anaconda3\lib\site-packages\jupyter_client\session.py”, line 41, in
from jupyter_client.jsonutil import extract_dates, squash_dates, date_default
File “C:\Users\MY PC\anaconda3\lib\site-packages\jupyter_client\jsonutil.py”, line 10, in
from dateutil.parser import parse as _dateutil_parse
ImportError: cannot import name ‘parse’ from ‘dateutil.parser’ (unknown location)