Update app.py

app.py

@@ -5,13 +5,16 @@ 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()
+
 # Chat function
 def chat_with_gemini(user_input, chat_history):
     try:
         # Append the user input to the chat history
         chat_history.append(("User", user_input))
         
-        # Get response from the model (assuming 'predict' is the correct method)
+        # Get response from the model
         response = llm.predict(user_input)
         
         # Append the bot's response to the chat history