Update llm.py

llm.py

@@ -14,7 +14,7 @@ def llm(img):
     text = palm.generate_text(
         prompt=prompt,
         model=model,
-        temperature=0.3,
+        temperature=0.2,
         max_output_tokens=2000,
         top_p=0.8,
         top_k=40,