Update app.py

app.py

@@ -15,7 +15,6 @@ IBM_URL_CHAT = "https://us-south.ml.cloud.ibm.com/ml/v1/text/chat?version=2023-1
 
 if "messages" not in st.session_state:
     st.session_state.messages = []
-IBM_token()
 
 ##############################################
 ##
@@ -65,6 +64,9 @@ def IBM_chat (messages):
     response = response.json()
     return response["choices"][0]["message"]["content"]
 
+## get token
+IBM_token()
+
 def get_credentials():
 	return {
 		"url" : "https://us-south.ml.cloud.ibm.com",