UP my solution

Author: MateoPetitet

numpy_questions.py

@@ -72,7 +72,7 @@ def wallis_product(n_terms):
     # XXX : The n_terms is an int that corresponds to the number of
     # terms in the product. For example 10000.
     if n_terms == 0:
-        return 2.0
+        return 2.
     pi_2 = 1
     for n in range(1, n_terms+1):
         pi_2 *= (4*n**2)/(4*n**2-1)