variable name 2

app.py

@@ -95,7 +95,7 @@ def prepare_heatmap_data(data):
     return heatmap_data
 
 def plot_emotion_heatmap(heatmap_data):
-    fig = plt.figure(figsize=(10, len(data) * 0.5 + 2))
+    fig = plt.figure(figsize=(10, len(heatmap_data) * 0.5 + 2))
     sns.heatmap(heatmap_data, annot=True, cmap="coolwarm", cbar=True, linewidths=0.5, linecolor='gray')
     plt.title("Emotion Confidence Heatmap")
     plt.xlabel("Emotions")