Can't get jupter to start

[Daenerys24]

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Traceback (most recent call last):
  File "/usr/bin/jupyter-notebook", line 3, in <module>
    from notebook.notebookapp import main
  File "/usr/lib/python3.6/site-packages/notebook/notebookapp.py", line 61, in <module>
    from .services.kernels.kernelmanager import MappingKernelManager
  File "/usr/lib/python3.6/site-packages/notebook/services/kernels/kernelmanager.py", line 16, in <module>
    from jupyter_client.multikernelmanager import MultiKernelManager
  File "/usr/lib/python3.6/site-packages/jupyter_client/__init__.py", line 7, in <module>
    from .manager import KernelManager, run_kernel
  File "/usr/lib/python3.6/site-packages/jupyter_client/manager.py", line 32, in <module>
    from .session import Session
  File "/usr/lib/python3.6/site-packages/jupyter_client/session.py", line 61, in <module>
    from jupyter_client.jsonutil import extract_dates, squash_dates, date_default
  File "/usr/lib/python3.6/site-packages/jupyter_client/jsonutil.py", line 11, in <module>
    from dateutil.parser import parse as _dateutil_parse
  File "/usr/lib/python3.6/site-packages/dateutil/parser.py", line 158
    l.append("%s=%s" % (attr, `value`))
                              ^
SyntaxError: invalid syntax

I tried uninstalling and reinstalling