From 9e4324bab1eb56ebb986a14093994b4bef083a11 Mon Sep 17 00:00:00 2001
From: DarrenChangJR <darrenchangjr01@gmail.com>
Date: Mon, 15 May 2023 14:54:23 +0800
Subject: [PATCH] Fix issue #1849: type_str not returning str

---
 slither/slithir/operations/unary.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slither/slithir/operations/unary.py b/slither/slithir/operations/unary.py
index a6529d7268..c6493921dc 100644
--- a/slither/slithir/operations/unary.py
+++ b/slither/slithir/operations/unary.py
@@ -58,7 +58,7 @@ def type(self) -> UnaryOperationType:
 
     @property
     def type_str(self):
-        return self._type.value
+        return str(self._type)
 
     def __str__(self):
         return f"{self.lvalue} = {self.type_str} {self.rvalue} "