Update app.py

app.py

@@ -5,8 +5,9 @@ from langchain_google_genai.chat_models import ChatGoogleGenerativeAI
 # Set the path to the service account key
 os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = "./firm-catalyst-437006-s4-407500537db5.json"
 
-# Initialize the language model
-llm = ChatGoogleGenerativeAI()
+# Initialize the language model with required parameters
+# Replace 'your-model-name' with the actual model you intend to use
+llm = ChatGoogleGenerativeAI(model='your-model-name')  
 
 # Chat function
 def chat_with_gemini(user_input, chat_history):