Update app.py

app.py

@@ -139,12 +139,12 @@ if __name__ == "__main__":
     llm = HuggingFaceHub(huggingfacehub_api_token=huggingfacehub_api_token,
                          repo_id=repo_id,
                          model_kwargs={
-                             "temperature": 0.5,
+                             "temperature": 0.3,
                              "max_new_tokens": 512,
                              "top_p": 0.3,
                              "repetition_penalty": 1.2,
                              "num_beams": 3,
-                             "length_penalty": 1.5,
+                             "length_penalty": 1.2,
                              "no_repeat_ngram_size": 2,
                              "early_stopping": True,
                              "num_return_sequences": 1,