Update app.py

app.py

@@ -52,7 +52,7 @@ if st.sidebar.button('Run Algorithm'):
                            target_name='iris',
                            class_names=iris.target_names)
 
-    st.graphviz_chart(viz_model.)    # render as SVG into internal object 
+    st.graphviz_chart(viz_model)    # render as SVG into internal object 
     # v.show()                 # pop up window
     # v.save("/tmp/iris.svg")
     def svg_write(svg, center=True):