import cython to use cython.long in Python code

Author: ndgrigorian

mkl_random/mklrand.pyx

@@ -196,6 +196,7 @@ cdef int r = cnp._import_array()
 if (r<0):
     raise ImportError("Failed to import NumPy")
 
+import cython
 import numpy as np
 import operator
 import warnings