diff --git a/projects/finding_donors/visuals.py b/projects/finding_donors/visuals.py
index 7c4c6f3446..16335206f8 100644
--- a/projects/finding_donors/visuals.py
+++ b/projects/finding_donors/visuals.py
@@ -72,11 +72,11 @@ def evaluate(results, accuracy, f1):
             for i in np.arange(3):
                 
                 # Creative plot code
-                ax[j/3, j%3].bar(i+k*bar_width, results[learner][i][metric], width = bar_width, color = colors[k])
-                ax[j/3, j%3].set_xticks([0.45, 1.45, 2.45])
-                ax[j/3, j%3].set_xticklabels(["1%", "10%", "100%"])
-                ax[j/3, j%3].set_xlabel("Training Set Size")
-                ax[j/3, j%3].set_xlim((-0.1, 3.0))
+                ax[j//3, j%3].bar(i+k*bar_width, results[learner][i][metric], width = bar_width, color = colors[k])
+                ax[j//3, j%3].set_xticks([0.45, 1.45, 2.45])
+                ax[j//3, j%3].set_xticklabels(["1%", "10%", "100%"])
+                ax[j//3, j%3].set_xlabel("Training Set Size")
+                ax[j//3, j%3].set_xlim((-0.1, 3.0))
     
     # Add unique y-labels
     ax[0, 0].set_ylabel("Time (in seconds)")