From aa786e1b41841604e00a451d7304cdcfc6795e2c Mon Sep 17 00:00:00 2001
From: Chris Cheney <ccheney05@gmail.com>
Date: Sat, 8 Apr 2023 21:30:36 -0500
Subject: [PATCH] command_name null check before calling .lower()

fixes #534

`AttributeError: 'NoneType' object has no attribute 'lower'`
---
 scripts/main.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/main.py b/scripts/main.py
index 17385bf33..4d68b4506 100644
--- a/scripts/main.py
+++ b/scripts/main.py
@@ -358,7 +358,7 @@ while True:
             f"COMMAND = {Fore.CYAN}{command_name}{Style.RESET_ALL}  ARGUMENTS = {Fore.CYAN}{arguments}{Style.RESET_ALL}")
 
     # Execute command
-    if command_name.lower() == "error":
+    if command_name is not None and command_name.lower() == "error":
         result = f"Command {command_name} threw the following error: " + arguments
     elif command_name == "human_feedback":
         result = f"Human feedback: {user_input}"