Update app.py

app.py

@@ -159,13 +159,13 @@ initial_state = {
 }
 
 # Initialize log_messages outside initial_state
-log_messages =
+log_messages = []
 
 # Logging function to store messages in memory
 def log_message(message, log_messages):
     timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
     log_entry = f"{timestamp} - {message}"
-    log_messages.append(log_entry)
+    log_messages.append(log_entry) 
     return log_messages
 
 # Function to save logs to file