From ad619bc0d86d4909c77bf5235f2c83bd2983d452 Mon Sep 17 00:00:00 2001
From: qux-bbb <1147635419@qq.com>
Date: Sat, 4 Jul 2020 16:33:57 +0800
Subject: [PATCH] Update utils.py

some string is "", add this can avoid exception.
---
 cuckoo/common/utils.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cuckoo/common/utils.py b/cuckoo/common/utils.py
index 2e9e4c8c9d..5ce38e0c8e 100644
--- a/cuckoo/common/utils.py
+++ b/cuckoo/common/utils.py
@@ -184,6 +184,9 @@ def chardet_enc(s2):
     # If already in unicode, skip.
     if isinstance(s, unicode):
         return s
+    
+    if s == "":
+        return unicode(s)
 
     # First try to decode against a little set of common encodings.
     result = brute_enc(s)