Update app.py

app.py

@@ -149,7 +149,7 @@ def heatmap(top_n):
 def decode_plot(plot_base64, top_n):
     plot_bytes = base64.b64decode(plot_base64['plot'].split(',')[1])
     img = plt.imread(BytesIO(plot_bytes), format='PNG')
-    plt.figure(figsize = (12, 2*top_n, dpi = 150)
+    plt.figure(figsize = (12, 2*top_n), dpi = 150)
     plt.imshow(img)
     plt.axis('off')
     plt.show()