Fixing pie chart function

app.py

@@ -45,7 +45,7 @@ def analyze_sentiment(text):
 
 def plot_pie_chart(sentiment_counts):
     labels = sentiment_counts.keys()
-    sizes = sentiment_counts.values()
+    sizes = sentiment_counts.values
     fig, ax = plt.subplots()
     ax.pie(sizes, labels=labels, autopct='%1.1f%%', startangle=90)
     ax.axis('equal')  # Equal aspect ratio ensures that pie is drawn as a circle.