Update app.py

app.py

@@ -24,10 +24,14 @@ def load_fn(models):
                 m = gr.Interface(lambda txt: None, ['text'], ['image'])
             models_load.update({model: m})
 
+
+global num_models
+global default_models
+    
 def load_test(mod):
     load_fn(mod)
-    global num_models = len(mod)
-    global default_models = models[:num_models]
+    num_models = len(mod)
+    default_models = models[:num_models]
     
 load_test(models_test[1])