cityerror

C:\>pipcheck.py
Traceback (most recent call last):
  File "C:\pipcheck.py", line 1, in <module>
    import pip, os, time
  File "C:\Program Files\Python36\lib\site-packages\pip\__init__.py", line 21, in <module>
    from pip._vendor.requests.packages.urllib3.exceptions import DependencyWarning
  File "C:\Program Files\Python36\lib\site-packages\pip\_vendor\requests\__init__.py", line 62, in <module>
    from .packages.urllib3.exceptions import DependencyWarning
  File "C:\Program Files\Python36\lib\site-packages\pip\_vendor\requests\packages\__init__.py", line 27, in <module>
    from . import urllib3
  File "C:\Program Files\Python36\lib\site-packages\pip\_vendor\requests\packages\urllib3\__init__.py", line 8, in <module>
    from .connectionpool import (
  File "C:\Program Files\Python36\lib\site-packages\pip\_vendor\requests\packages\urllib3\connectionpool.py", line 35, in <module>
    from .connection import (
  File "C:\Program Files\Python36\lib\site-packages\pip\_vendor\requests\packages\urllib3\connection.py", line 2, in <module>
    import datetime
  File "C:\datetime.py", line 2, in <module>
    import numpy as np
  File "C:\Program Files\Python36\lib\site-packages\numpy\__init__.py", line 142, in <module>
    from . import add_newdocs
  File "C:\Program Files\Python36\lib\site-packages\numpy\add_newdocs.py", line 13, in <module>
    from numpy.lib import add_newdoc
  File "C:\Program Files\Python36\lib\site-packages\numpy\lib\__init__.py", line 8, in <module>
    from .type_check import *
  File "C:\Program Files\Python36\lib\site-packages\numpy\lib\type_check.py", line 11, in <module>
    import numpy.core.numeric as _nx
  File "C:\Program Files\Python36\lib\site-packages\numpy\core\__init__.py", line 16, in <module>
    from . import multiarray
SystemError: initialization of multiarray raised unreported exception