Update app.py

app.py

@@ -156,6 +156,7 @@ def inference( prompt, negative_prompt, guidance_scale, ddim_steps, seed):
 def edit_inference(prompt, negative_prompt, guidance_scale, ddim_steps, seed, start_noise, a1, a2, a3, a4):
     global device
     #global generator 
+    global network
     global unet
     global vae 
     global text_encoder