New Matplotlib Demo Programs for PySimpleGUIWeb

PySimpleGUIWeb/Demo Programs/Web_Matplotlib_Browser.py

@@ -846,16 +846,15 @@ def draw_figure(fig, element):
     :param element: an Image Element
     :return: The figure canvas
     """
-    plt.close('all')
+
+    plt.close('all')            # erases previously drawn plots
     canv = FigureCanvasAgg(fig)
     buf = io.BytesIO()
     canv.print_figure(buf, format='png')
-
     if buf is None:
         return None
     buf.seek(0)
-    data = buf.read()
-    element.update(data=data)
+    element.update(data=buf.read())
     return canv