Update app.py

app.py

@@ -74,6 +74,8 @@ sf = Salesforce(username=sf_user, password=sf_pwd, security_token=sf_token,insta
 #print(sf.headers)
 print("Successfully Connected to Salesforce")
 
+conversation_id = ''
+
 # Define a function to handle incoming calls
 def handle_incoming_call():
     response = VoiceResponse()