Remove checks for long in pure Python code

Author: ndgrigorian

mkl_random/mklrand.pyx

@@ -5332,7 +5332,7 @@ cdef class RandomState:
         cov = np.array(cov)
         if size is None:
             shape = []
-        elif isinstance(size, (int, long, np.integer)):
+        elif isinstance(size, (int, np.integer)):
             shape = [size]
         else:
             shape = size
@@ -5492,7 +5492,7 @@ cdef class RandomState:
 
         if size is None:
             shape = []
-        elif isinstance(size, (int, long, np.integer)):
+        elif isinstance(size, (int, np.integer)):
             shape = [size]
         else:
             shape = size
@@ -5896,7 +5896,7 @@ cdef class RandomState:
                [3, 4, 5]])
 
         """
-        if isinstance(x, (int, long, np.integer)):
+        if isinstance(x, (int, np.integer)):
             arr = np.arange(x)
         else:
             arr = np.array(x)