Fixed the type hinting to guarantee addition between the instruction

enum and other lists of bytes

utils.py

@@ -3,13 +3,16 @@ from enum import Enum
 import lief
 
 
-class Instructions(list[int], Enum):
+class Instructions(Enum):
     RET = [0xC3]
     PUSH = [0x68]
     MOV_REG = [0xC7]
     CALL_ADDR = [0xFF, 0x15]
     JUMP_ADDR = [0xFF, 0x25]
 
+    def __add__(self, other: list[int]) -> list[int]:
+        return list(self.value) + other
+
 
 def is_32b(pe: lief.PE.Binary):
     return pe.abstract.header.is_32