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奇葩错误
AttributeError: module ‘cmd’ has no attribute ‘Cmd’
今天遇到一个奇葩的错误， 当试图导入 pwn模块时，遇到如下错误
Python 3.9.2 (default, Feb 28 2021, 17:03:44)
[GCC 10.2.1 20210110] on linux
Type “help”, “copyright”, “credits” or “license” for more information.
from pwn import *
error!
Traceback (most recent call last):
File “”, line 1, in
File “/home/kali/.local/lib/python3.9/site-packages/pwn/init.py”, line 4, in
from pwn.toplevel import *
File “/home/kali/.local/lib/python3.9/site-packages/pwn/toplevel.py”, line 24, in
from pwnlib import *
File “/home/kali/.local/lib/python3.9/site-packages/pwnlib/dynelf.py”, line 55, in
from elftools.elf.enums import ENUM_D_TAG
File “/usr/local/lib/python3.9/dist-packages/elftools/elf/enums.py”, line 9, in
from …common.utils import merge_dicts
File “/usr/local/lib/python3.9/dist-packages/elftools/common/utils.py”, line 12, in
from …construct import ConstructError, ULInt8
File “/usr/local/lib/python3.9/dist-packages/elftools/construct/init.py”, line 36, in
from .debug import Probe, Debugger
File “/usr/local/lib/python3.9/dist-packages/elftools/construct/debug.py”, line 7, in
import pdb
File “/usr/lib/python3.9/pdb.py”, line 138, in
class Pdb(bdb.Bdb, cmd.Cmd):
AttributeError: module ‘cmd’ has no attribute ‘Cmd’
quit()
尼玛折腾了好久，重装了好多东西！！ 最终发现！！ 是 当前自己的 文件目录下也有一个 cmd.py文件（自己瞎写的一个无关东西），而 上面pwn模块导入时，用这个cmd.py代替了python3自带的cmd模块！！
所以答案嘛 很简单 ，把当前目录下的cmd.py改个名字即可
同理，当你遇到其他类似错误比如说某某模块没有什么属性之类的，而这个模块是系统模块啊，怎么可能没有？ 那你该考虑下我刚才说的东西了
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