1 files changed, 14 insertions, 13 deletions
diff --git a/docs/examples/tutorial/profiling_tutorial/calc_pi_3.pyx b/docs/examples/tutorial/profiling_tutorial/calc_pi_3.pyx
index 0f0bdb18a..742991b1a 100644
--- a/docs/examples/tutorial/profiling_tutorial/calc_pi_3.pyx
+++ b/docs/examples/tutorial/profiling_tutorial/calc_pi_3.pyx
@@ -1,13 +1,14 @@
-# cython: profile=True
-
-# calc_pi.pyx
-
-cdef inline double recip_square(int i):
-    return 1. / (i * i)
-
-def approx_pi(int n=10000000):
-    cdef double val = 0.
-    cdef int k
-    for k in range(1, n + 1):
-        val += recip_square(k)
-    return (6 * val) ** .5
+# cython: profile=True
+
+
+
+
+cdef inline double recip_square(long long i) except -1.0:
+    return 1. / (i * i)
+
+def approx_pi(int n=10000000):
+    cdef double val = 0.
+    cdef int k
+    for k in range(1, n + 1):
+        val += recip_square(k)
+    return (6 * val) ** .5