python - invalid syntax when trying to open jupyter notebook -


when type in command jupyter notebook in terminal,i getting error. working fine , seems pop up

decentmakeover@decentmakeover:~$ jupyter notebook traceback (most recent call last):   file "/home/decentmakeover/anaconda3/bin/jupyter-notebook", line 4,  in <module>     import notebook.notebookapp   file "/home/decentmakeover/anaconda3/lib/python3.6/site- packages/notebook/notebookapp.py", line 74, in <module>     .services.kernels.kernelmanager import mappingkernelmanager   file "/home/decentmakeover/anaconda3/lib/python3.6/site- packages/notebook/services/kernels/kernelmanager.py", line 16, in <  module>     jupyter_client.multikernelmanager import multikernelmanager   file "/home/decentmakeover/anaconda3/lib/python3.6/site- packages/jupyter_client/__init__.py", line 7, in <module>     .manager import kernelmanager, run_kernel   file "/home/decentmakeover/anaconda3/lib/python3.6/site- packages/jupyter_client/manager.py", line 32, in <module>     .session import session   file "/home/decentmakeover/anaconda3/lib/python3.6/site- packages/jupyter_client/session.py", line 61, in <module>    jupyter_client.jsonutil import extract_dates, squash_dates,  date_default   file "/home/decentmakeover/anaconda3/lib/python3.6/site- packages/jupyter_client/jsonutil.py", line 11, in <module>    dateutil.parser import parse _dateutil_parse  file "/home/decentmakeover/anaconda3/lib/python3.6/site-packa  ges/dateutil/parser.py", line 303     raise valueerror, "unknown string format"                 ^ syntaxerror: invalid syntax

how fix this?


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