Fix typo

qiling/os/memory.py

@@ -3,9 +3,8 @@
 # Cross Platform and Multi Architecture Advanced Binary Emulation Framework
 #
 
-from ctypes import Union
 import os, re
-from typing import Any, Callable, List, MutableSequence, Optional, Sequence, Tuple
+from typing import Any, Callable, List, MutableSequence, Optional, Sequence, Tuple, Union
 
 from unicorn import UC_PROT_NONE, UC_PROT_READ, UC_PROT_WRITE, UC_PROT_EXEC, UC_PROT_ALL
 
@@ -65,6 +64,7 @@ def __write_string(self, addr: int, s: str, encoding: str):
         self.write(addr, bytes(s, encoding) + b'\x00')
 
     def __getitem__(self, key: Union[slice, int]) -> bytearray:
+        print(key)
         if isinstance(key, slice):
             start = key.start
             stop = key.stop
@@ -81,6 +81,8 @@ def __getitem__(self, key: Union[slice, int]) -> bytearray:
             raise KeyError("Wrong type of key")
 
     def __setitem__(self, key: Union[slice, int], value: Union[bytes, bytearray]):
+        print(key)
+        print(value)
         if isinstance(key, int):
             self.ql.mem.write(key, value)
         else: