Python 命令出错，退出状态为1，访问被拒绝

最近我安装了anaconda。现在，我卸载了Anaconda并重新安装了python 3.6。由于以下错误，我无法安装某些软件包

Collecting pyinstaller
  Using cached pyinstaller-4.0.tar.gz (3.5 MB)
  Installing build dependencies ... error
  ERROR: Command errored out with exit status 1:
   command: 'c:\users\dell\appdata\local\programs\python\python36\python.exe' 'c
:\users\dell\appdata\local\programs\python\python36\lib\site-packages\pip' insta
ll --ignore-installed --no-user --prefix 'C:\Users\DELL\AppData\Local\Temp\pip-b
uild-env-nt65tuv0\overlay' --no-warn-script-location --no-binary :none: --only-b
inary :none: -i https://pypi.org/simple -- 'setuptools>=40.8.0' wheel
       cwd: None
  Complete output (14 lines):
  Traceback (most recent call last):
    File "c:\users\dell\appdata\local\programs\python\python36\lib\runpy.py", li
ne 193, in _run_module_as_main
      "__main__", mod_spec)
    File "c:\users\dell\appdata\local\programs\python\python36\lib\runpy.py", li
ne 85, in _run_code
      exec(code, run_globals)
    File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages
\pip\__main__.py", line 23, in <module>
      from pip._internal.cli.main import main as _main  # isort:skip # noqa
    File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages
\pip\_internal\cli\main.py", line 5, in <module>
      import locale
    File "c:\users\dell\appdata\local\programs\python\python36\lib\locale.py", l
ine 16, in <module>
      import re
    File "c:\users\dell\appdata\local\programs\python\python36\lib\re.py", line
142, in <module>
      class RegexFlag(enum.IntFlag):
  AttributeError: module 'enum' has no attribute 'IntFlag'
  ----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\users\dell\appdata\local\prog
rams\python\python36\python.exe' 'c:\users\dell\appdata\local\programs\python\py
thon36\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\
Users\DELL\AppData\Local\Temp\pip-build-env-nt65tuv0\overlay' --no-warn-script-l
ocation --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 's
etuptools>=40.8.0' wheel Check the logs for full command output.
Traceback (most recent call last):
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 468, in __exit__
    if cb(*exc_details):
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 396, in _exit_wrapper
    return cm_exit(cm, *exc_details)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\utils\temp_dir.py", line 175, in __exit__
    self.cleanup()
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\utils\temp_dir.py", line 199, in cleanup
    rmtree(ensure_text(self._path))
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\retrying.py", line 49, in wrapped_f
    return Retrying(*dargs, **dkw).call(f, *args, **kw)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\retrying.py", line 212, in call
    raise attempt.get()
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\retrying.py", line 247, in get
    six.reraise(self.value[0], self.value[1], self.value[2])
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\six.py", line 703, in reraise
    raise value
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\retrying.py", line 200, in call
    attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\utils\misc.py", line 139, in rmtree
    onerror=rmtree_errorhandler)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 488, in rmtree
    return _rmtree_unsafe(path, onerror)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 378, in _rmtree_unsafe
    _rmtree_unsafe(fullname, onerror)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 378, in _rmtree_unsafe
    _rmtree_unsafe(fullname, onerror)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 378, in _rmtree_unsafe
    _rmtree_unsafe(fullname, onerror)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 383, in _rmtree_unsafe
    onerror(os.unlink, fullname, sys.exc_info())
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 381, in _rmtree_unsafe
    os.unlink(fullname)
PermissionError: [WinError 5] Access is denied: 'C:\\Users\\DELL\\AppData\\Local
\\Temp\\pip-install-k22kzs5t\\pyinstaller\\PyInstaller\\bootloader\\Windows-32bi
t\\run.exe'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\users\dell\appdata\local\programs\python\python36\lib\runpy.py", line
 193, in _run_module_as_main
    "__main__", mod_spec)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\runpy.py", line
 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\Scripts\pip.exe\__m
ain__.py", line 7, in <module>
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\cli\main.py", line 75, in main
    return command.main(cmd_args)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\cli\base_command.py", line 121, in main
    return self._main(args)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\contextlib.py",
 line 89, in __exit__
    next(self.gen)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\cli\command_context.py", line 28, in main_context
    yield
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 479, in __exit__
    _reraise_with_existing_context(exc_details)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 340, in _reraise_with_existing_context
    raise exc_details[1]
  File "c:\users\dell\appdata\local\programs\python\python36\lib\contextlib.py",
 line 100, in __exit__
    self.gen.throw(type, value, traceback)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\utils\temp_dir.py", line 85, in tempdir_registry
    yield _tempdir_registry
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 468, in __exit__
    if cb(*exc_details):
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 396, in _exit_wrapper
    return cm_exit(cm, *exc_details)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\contextlib.py",
 line 89, in __exit__
    next(self.gen)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\utils\temp_dir.py", line 46, in global_tempdir_manager
    _tempdir_manager = old_tempdir_manager
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 479, in __exit__
    _reraise_with_existing_context(exc_details)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 340, in _reraise_with_existing_context
    raise exc_details[1]
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 468, in __exit__
    if cb(*exc_details):
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\contextlib2.py", line 396, in _exit_wrapper
    return cm_exit(cm, *exc_details)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\utils\temp_dir.py", line 175, in __exit__
    self.cleanup()
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\utils\temp_dir.py", line 199, in cleanup
    rmtree(ensure_text(self._path))
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\retrying.py", line 49, in wrapped_f
    return Retrying(*dargs, **dkw).call(f, *args, **kw)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\retrying.py", line 212, in call
    raise attempt.get()
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\retrying.py", line 247, in get
    six.reraise(self.value[0], self.value[1], self.value[2])
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\six.py", line 703, in reraise
    raise value
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_vendor\retrying.py", line 200, in call
    attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\site-packages\p
ip\_internal\utils\misc.py", line 139, in rmtree
    onerror=rmtree_errorhandler)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 488, in rmtree
    return _rmtree_unsafe(path, onerror)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 378, in _rmtree_unsafe
    _rmtree_unsafe(fullname, onerror)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 378, in _rmtree_unsafe
    _rmtree_unsafe(fullname, onerror)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 378, in _rmtree_unsafe
    _rmtree_unsafe(fullname, onerror)
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 383, in _rmtree_unsafe
    onerror(os.unlink, fullname, sys.exc_info())
  File "c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py", lin
e 381, in _rmtree_unsafe
    os.unlink(fullname)
PermissionError: [WinError 5] Access is denied: 'C:\\Users\\DELL\\AppData\\Local
\\Temp\\pip-install-k22kzs5t\\pyinstaller\\PyInstaller\\bootloader\\Windows-32bi
t\\run.exe'

正在收集pyinstaller
使用缓存的pyinstaller-4.0.tar.gz（3.5 MB）
正在安装生成依赖项。。。错误
错误：命令出错，退出状态为1:
命令：“c:\users\dell\appdata\local\programs\python\python36\python.exe”c
：\users\dell\appdata\local\programs\python\36\lib\site packages\pip'insta
ll--忽略已安装--无用户--前缀'C:\Users\DELL\AppData\Local\Temp\pip-b
uild-env-nt65tuv0\overlay'--无警告脚本位置--无二进制文件：无：---仅-b
伊纳里：没有https://pypi.org/simple --“设置工具>=40.8.0”控制盘
cwd：没有
完整输出（14行）：
回溯（最近一次呼叫最后一次）：
文件“c:\users\dell\appdata\local\programs\python\python36\lib\runpy.py”，li
ne 193，运行模块作为主模块
“\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
文件“c:\users\dell\appdata\local\programs\python\python36\lib\runpy.py”，li
ne 85，输入运行代码
exec（代码、运行\全局）
文件“c:\users\dell\appdata\local\programs\python\python36\lib\site软件包
\pip \ \ uuuu main \ \ uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
从pip._internal.cli.main导入main作为_main#isort:skip#noqa
文件“c:\users\dell\appdata\local\programs\python\python36\lib\site软件包
\pip\\u internal\cli\main.py”，第5行，在
导入区域设置
文件“c:\users\dell\appdata\local\programs\python\python36\lib\locale.py”，l
第16行
进口稀土
文件“c:\users\dell\appdata\local\programs\python\python36\lib\re.py”，第行
142，在
类RegexFlag（enum.IntFlag）：
AttributeError:模块“enum”没有属性“IntFlag”
----------------------------------------
错误：退出状态为1的命令出错：“c:\users\dell\appdata\local\prog”
rams\python\python36\python.exe''c:\users\dell\appdata\local\programs\python\py
thon36\lib\site packages\pip'安装--忽略已安装--无用户--前缀'C:\
Users\DELL\AppData\Local\Temp\pip-build-env-nt65tuv0\overlay'--no-warn-script-l
位置--无二进制文件：无：--仅二进制文件：无：-ihttps://pypi.org/simple --的
etuptools>=40.8.0'控制盘检查日志以获得完整的命令输出。
回溯（最近一次呼叫最后一次）：
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip\\u vendor\contextlib2.py”，第468行，在出口处__
如果cb（*exc_详细信息）：
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip\\u vendor\contextlib2.py”，第396行，在出口包装中
返回cm_退出（cm，*exc_详细信息）
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip\\u internal\utils\temp\u dir.py”，第175行，在出口处__
self.cleanup（）
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip\\u internal\utils\temp\u dir.py”，第199行，在清理中
rmtree（确保文本（自身路径））
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip\\u vendor\retrying.py”，第49行，包装为
返回重试（*dargs，**dkw）。调用（f，*args，**kw）
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip \\u vendor\retrying.py“，第212行，呼叫中
提升尝试。获取（）
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip\\u vendor\retrying.py”，get中第247行
六.重新释放（自值[0]、自值[1]、自值[2]）
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip\\u vendor\six.py”，第703行，重新登录
增值
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip \\u vendor\retrying.py“，第200行，呼叫中
尝试=尝试（fn（*args，**kwargs），尝试次数，False）
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip \\u internal\utils\misc.py“，rmtree中的第139行
onerror=rmtree\u errorhandler）
文件“c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py”，lin
E488，在树上
返回树不安全（路径、错误）
文件“c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py”，lin
e 378，不安全
_rmtree_不安全（全名，onerror）
文件“c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py”，lin
e 378，不安全
_rmtree_不安全（全名，onerror）
文件“c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py”，lin
e 378，不安全
_rmtree_不安全（全名，onerror）
文件“c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py”，lin
e 383，不安全
onerror（os.unlink，fullname，sys.exc_info（））
文件“c:\users\dell\appdata\local\programs\python\python36\lib\shutil.py”，lin
e 381，不安全
操作系统取消链接（全名）
PermissionError:[WinError 5]访问被拒绝：“C:\\Users\\DELL\\AppData\\Local”
\\Temp\\pip-install-k2kzs5t\\pyinstaller\\pyinstaller\\bootloader\\Windows-32bi
t\\run.exe'
在处理上述异常期间，发生了另一个异常：
回溯（最近一次呼叫最后一次）：
文件“c:\users\dell\appdata\local\programs\python\python36\lib\runpy.py”，第行
193，运行模块作为主模块
“\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
文件“c:\users\dell\appdata\local\programs\python\python36\lib\runpy.py”，第行
85，输入运行代码
exec（代码、运行\全局）
文件“C:\Users\DELL\AppData\Local\Programs\Python\36\Scripts\pip.exe\ \uu\m
ain____.py”，第7行，在
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip \\u internal\cli\main.py“，第75行，在main中
return command.main（cmd_args）
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
ip\\u internal\cli\base\u command.py”，主菜单第121行
返回自。_主（args）
文件“c:\users\dell\appdata\local\programs\python\python36\lib\contextlib.py”，
第89行，进站出口__
下一个（self.gen）
文件“c:\users\dell\appdata\local\programs\python36\lib\site packages\p
我