Update app.py

app.py

@@ -79,10 +79,10 @@ def ac():
         b1=btn1.click(start,None,[t_state,t_switch])
         sta = t_state.change(end,t_state,t_switch,every=1)
 
-        btn1.click(im_fn,[put,fac_b,h],[out1,fac_b])
-        out1.change(im_fn,[put,fac_b,h],[out2,fac_b])        
-        out2.change(im_fn,[put,fac_b,h],[out3,fac_b])        
-        out3.change(im_fn,[put,fac_b,h],[out4,fac_b])  
+        b2=btn1.click(im_fn,[put,fac_b,h],[out1,fac_b])
+        b3=out1.change(im_fn,[put,fac_b,h],[out2,fac_b])        
+        b4=out2.change(im_fn,[put,fac_b,h],[out3,fac_b])        
+        b5=out3.change(im_fn,[put,fac_b,h],[out4,fac_b])  
 
         t_switch.change(clear,None,[t_switch,fac_b], cancels=[sta,b2,b3,b4,b5])