cython in jupyter notebook

Question

I am getting errors when loading a Cython file in Jupyter Notebook. Any ideas?

%load_ext Cython

import numpy as np
cimport numpy as np
import cython

Just a simple error message:

File "<ipython-input-3-7e39dc7f561b>", line 5
    cimport numpy as np
                ^
SyntaxError: invalid syntax

you use cython code in special magic cells. You define a cython cell by starting your cell with `%%cython` — cel, Aug 04 '16 at 13:37

score 20 · Answer 1 · answered Aug 04 '16 at 13:56

20

After reading the docs -- I used two separate cells. The first one is just:

%load_ext Cython

Then my import statements

%%cython

import numpy as np
cimport numpy as np
import cython

answered Aug 04 '16 at 13:56

john mangual

Perhaps you miss c when import cimport ``` cimport numpy as **c**np ``` – AjanO May 21 '20 at 17:40

1 Answers1