Update app.py

app.py

@@ -502,8 +502,8 @@ def plot_student_metrics(student_metrics_df, attendance_avg_stats, engagement_av
     ax.yaxis.set_ticks(range(0, 119, 20))  # Increments of 20
 
     # Hide the top and right spines
-    ax.spines['top'].set_visible(False))
-    ax.spines['right'].set_visible(False))
+    ax.spines['top'].set_visible(False)
+    ax.spines['right'].set_visible(False)
 
     # Display the plot
     plt.tight_layout()  # Adjust layout to fit elements