diff --git a/tests/block_weight/block_weight.py b/tests/block_weight/block_weight.py
index ae75844e2..b23da3d77 100755
--- a/tests/block_weight/block_weight.py
+++ b/tests/block_weight/block_weight.py
@@ -23,9 +23,9 @@ def get_median(vec):
     #temp = vec
     temp = sorted(vec)
     if len(temp) % 2 == 1:
-        return temp[len(temp)/2]
+        return temp[len(temp)//2]
     else:
-        return int((temp[len(temp)/2]+temp[len(temp)/2-1])/2)
+        return int((temp[len(temp)//2]+temp[len(temp)//2-1])//2)
 
 def LCG():
   global lcg_seed