add model param gemini-pro

app.py

@@ -66,7 +66,7 @@ def run_llm(url, query):
         llm = ChatOpenAI(temperature=0.5)
     if selected_option == "gemini":
         os.environ["GOOGLE_API_KEY"] = api_key
-        llm = ChatGoogleGenerativeAI(temperature=0.5)
+        llm = ChatGoogleGenerativeAI(model="gemini_pro",temperature=0.5)
     # llm = ChatOpenAI(temperature=0.5)
     query_website_tool = WebpageQATool(qa_chain=load_qa_with_sources_chain(llm))
     result = query_website_tool._run(url, query)  # Pass the URL and query as arguments