Update Gradio_UI.py

Gradio_UI.py

@@ -95,10 +95,17 @@ def continue_conversation(user_input):
     step = conversation_state["step"]
 
     if step < len(conversation_state["questions"]):
-        key, question = conversation_state["questions"][step]
-        conversation_state["answers"][question] = user_input
-        conversation_state["step"] += 1
-        conversation_state["lang"] = detect(user_input)
+    key, question = conversation_state["questions"][step]
+    conversation_state["answers"][question] = user_input
+    conversation_state["step"] += 1
+
+    try:
+        if user_input and len(user_input.strip()) > 3:
+            conversation_state["lang"] = detect(user_input)
+    except:
+        conversation_state["lang"] = "en"
+
+
 
     if conversation_state["step"] < len(conversation_state["questions"]):
         next_question = conversation_state["questions"][conversation_state["step"]][1]