Update app.py

app.py

@@ -38,7 +38,8 @@ def pyecharts1():
     bar.render('test.html')
     return 'test.html'
 def cff():
-    cfft=cf.datagen.lines(4,10).iplot(mode='lines+markers',theme='solar')
+    df=pd.DataFrame([[0.2,0.4,0.6],[0.4,0.3,0.4],[0.4,0.5,0.2],[0.5,0.4,0.4]],columns=['a','b','c'])
+    cfft=df.iplot(kind='bubble',x='a',y='b',size='c')
     return cfft
 #def pyg2plot_chart():
 #    bar = Plot("Column")