Use floor division operator instead of deprecated division operator.
diff --git a/Lib/trace.py b/Lib/trace.py
index 97491db..6e15e8b 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -335,7 +335,7 @@
                                                       lnotab, count)
 
             if summary and n_lines:
-                percent = int(100 * n_hits / n_lines)
+                percent = 100 * n_hits // n_lines
                 sums[modulename] = n_lines, percent, modulename, filename
 
         if summary and sums: