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Problem :

I want to learn the Machine Learning but I am unabe to resolve below error.

My Specs :

·         Mac High Sierra 10.13.2

·         Python3.4.5

·         Numpy1.13.3


Used below Command:

$ python3 -c "import jupyter, matplotlib, numpy, pandas, scipy, sklearn"


I am facing below Error:

RuntimeError: module compiled against API version 0xc but this version of numpy is 0xb

Traceback (most recent call last):

File "/Users/uekyo/ml/env/lib/python3.4/site-packages/pandas/__init__.py", line 36, in <module>

from pandas._libs import (hashtable as _hashtable,

File "/Users/uekyo/ml/env/lib/python3.4/site-packages/pandas/_libs/__init__.py", line 8, in <module>

from .tslib import iNaT, NaT, Timestamp, Timedelta, OutOfBoundsDatetime

File "pandas/_libs/tslib.pyx", line 2, in init pandas._libs.tslib

ImportError: numpy.core.multiarray failed to import

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "<string>", line 2, in <module>

File "/Users/uekyo/ml/env/lib/python3.4/site-packages/pandas/__init__.py", line 40, in <module>

"the C extensions first.".format(module))

ImportError: C extension: numpy.core.multiarray failed to import not built. If you want to import pandas from the source directory, you may need to run 'python setup.py build_ext --inplace --force' to build the C extensions first.

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1 Answer

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Solution :

The reson behind your error is most likely due to the version of numpy too low; below code solved my problem:

pip3 install "numpy == 1.15.0" --user 

conda install couldnt solve it because currently it only have the numpy version 1.13.1, but is may be due to the my mirror site choosen is not the latest.

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