Update app.py

app.py

@@ -191,21 +191,17 @@ def plotly_fig(values):
         ))
     return fig 
 
+value_net = Network("16forward_structure.json", "16forward_weights.h5")
 
 def performance(index):
-    forward_net = Network("16forward_structure.json", "16forward_weights.h5")
-    return forward_net.get_performance(index)
+    return value_net.get_performance(index)
 
 def geometry(index):
-    forward_net = Network("16forward_structure.json", "16forward_weights.h5")
-    values = forward_net.get_geometry(index)
+    values = value_net.get_geometry(index)
     return plotly_fig(values)
 
-global forward_net
-forward_net = Network("16forward_structure.json", "16forward_weights.h5")  
-
 def simple_analysis(index): 
-    global forward_net 
+    forward_net = Network("16forward_structure.json", "16forward_weights.h5")  
     return forward_net.analysis(index)
 
 def simple_synthesis(index):