Update chatbot_rag.py

chatbot_rag.py

@@ -54,7 +54,7 @@ def build_qa():
     tokenizer=tokenizer,
     max_new_tokens=256,
     temperature=0.2,      # keeps answers deterministic but less rigid than 0
-    do_sample=True,       # allow some randomness
+    do_sample=False,       # allow some randomness
     top_p=0.9,            # nucleus sampling to avoid loops
     repetition_penalty=1.2,  # 🚀 penalize repeats
     eos_token_id=tokenizer.eos_token_id,  # stop at EOS