Update app.py

app.py

@@ -519,7 +519,7 @@ and has {vector_store._collection.count()} chunks.")
 
 
 
-def instantiate_LLM(LLM_provider,api_key,temperature=0.5,top_p=0.95,model_name=None):
+def instantiate_LLM(LLM_provider,api_key,temperature=0.7,top_p=0.95,model_name=None):
     """Instantiate LLM in Langchain.
     Parameters:
         LLM_provider (str): the LLM provider; in ["OpenAI","Google","HuggingFace"]
@@ -713,7 +713,7 @@ chain = ConversationalRetrievalChain.from_llm(
     memory=create_memory("gemini-pro"),
     retriever = base_retriever_HF,  #base_retriever_HF
     llm=instantiate_LLM(
-        LLM_provider="Google",api_key=google_api_key,temperature=0.5,
+        LLM_provider="Google",api_key=google_api_key,temperature=0.7,
         model_name="gemini-pro"),
     chain_type= "stuff",
     verbose= True,