diff --git a/flawfinder b/flawfinder
index 58249d4..f32fe3b 100755
--- a/flawfinder
+++ b/flawfinder
@@ -2013,7 +2013,8 @@ def show_final_results():
     count = 0
     count_per_level = {}
     count_per_level_and_up = {}
-    possible_levels = [0, 1, 2, 3, 4, 5] # Eliminate dependency on range
+    # Name levels directly, to avoid Python "range" (a Python 2/3 difference)
+    possible_levels = (0, 1, 2, 3, 4, 5)
     for i in possible_levels:  # Initialize count_per_level
         count_per_level[i] = 0
     for i in possible_levels:  # Initialize count_per_level