Update app.py

app.py

@@ -60,6 +60,7 @@ def do_process(img, baseline):
   fig, ax = visualize_image_attr(attr=attrs.squeeze(), original_image=img, method='blended_heat_map',
                       sign='all', show_colorbar=True, title=None,
                       plt_fig_axis=(fig, ax), use_pyplot=False)
+  fig.tight_layout()
   buf = io.BytesIO()
   fig.savefig(buf)
   buf.seek(0)