Update app.py

app.py

@@ -85,6 +85,7 @@ def generate_image(text,folder, _ch3, images):
         
     except:
         print ('ERROR! Try again.')
+        return None, None
 
     
 input_text_string = "In the quiet hum of everyday life, the dance of existence unfolds. Time, an ever-flowing river, carries the stories of triumph and heartache. Each fleeting moment is a brushstroke on the canvas of our memories."