Update app.py

app.py

@@ -103,8 +103,8 @@ def generate(input=DEFAULT_INPUT, filter_input="", negative_input=DEFAULT_NEGATI
         steps_set = 15
         guidance_set = 1.5
     elif model == "Large":   
-        steps_set = 8
-        guidance_set = 1
+        steps_set = 15
+        guidance_set = 1.5
     else:
         steps_set = 25
         guidance_set = 7