Update app.py

app.py

@@ -213,9 +213,11 @@ def start_training(
     config["config"]["process"][0]["save"]["hf_private"] = True
     if concept_sentence:
         config["config"]["process"][0]["trigger_word"] = concept_sentence
-    if sample_1 or sample_2 or sample_2:
+    
+    if sample_1 or sample_2 or sample_3:
         config["config"]["process"][0]["train"]["disable_sampling"] = False
         config["config"]["process"][0]["sample"]["sample_every"] = steps
+        config["config"]["process"][0]["sample"]["sample_steps"] = 28
         config["config"]["process"][0]["sample"]["prompts"] = []
         if sample_1:
             config["config"]["process"][0]["sample"]["prompts"].append(sample_1)