I cant import sklearn
Question: I try to import scikit-learn, but there is an error. i installed sklearn,
scipy on anaconda. i am using W10 and python 3.5.

    
    
    >>> import sklearn
    Traceback (most recent call last):
      File "<pyshell#0>", line 1, in <module>
        import sklearn
      File "C:\Users\lenovo\AppData\Local\Programs\Python\Python35-32\lib\site-packages\sklearn\__init__.py", line 57, in <module>
        from .base import clone
      File "C:\Users\lenovo\AppData\Local\Programs\Python\Python35-32\lib\site-packages\sklearn\base.py", line 9, in <module>
        from scipy import sparse
    ImportError: No module named 'scipy'
    


Answer: In linux there is `pip install <module>` to install a module, and if you are
using anaconda then `conda install <module>`, I believe there would be
something similar in windows.

If you are sure that you have installed `scipy` module, then probably the
python path is not looking for those directories.

You can try a [environment variable `PYTHONPATH` that has a list of
directories to append before launching python
prompt.](http://stackoverflow.com/questions/3402168/permanently-add-a-
directory-to-pythonpath) OR you can test it for a session by [adding it to
`sys.path`](http://stackoverflow.com/questions/12257747/adding-a-file-path-to-
sys-path-in-python)

