From 476215312be180d922b20b8d4fe8e0555e8a925c Mon Sep 17 00:00:00 2001
From: Sheldon Lee <sheldon.m.lee@gmail.com>
Date: Fri, 18 Sep 2020 16:58:59 +0000
Subject: [PATCH] Fixed error when message contains only image.

---
 command.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/command.py b/command.py
index 3e97a0a..c7135d3 100644
--- a/command.py
+++ b/command.py
@@ -21,7 +21,7 @@ class Command:
     @staticmethod
     def getCommand(string):
         words = Command.__getWords(string);
-        if words[0].startswith(Command.command_prefix):
+        if words[0].startswith(Command.command_prefix) and len(words) >= 0:
             return words[0][1:]
         return ""