每次我尝试在Windows 10中安装python的matplotlib包时，都会产生以下错误。我在Windows提示符下载了matplotlib-1.5.1-cp35-none-win_amd64.whl文件，以下是它生成的错误：
C:\Users\Pentazoid\Downloads>pip install --upgrade pip
Collecting pip
Downloading pip-9.0.1-py2.py3-none-any.whl (1.3MB)
100% |################################| 1.3MB 381kB/s
Installing collected packages: pip
Found existing installation: pip 8.1.1
Uninstalling pip-8.1.1:
Successfully uninstalled pip-8.1.1
Exception:
Traceback (most recent call last):
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\shutil.py", line 381, in _rmtree_unsafe
os.unlink(fullname)
PermissionError: [WinError 5] Access is denied: 'C:\\Users\\PENTAZ~1 \\AppData \\Local\\Temp\\pip-nvouvrx2-uninstall\\users\\pentazoid\\appdata \\local \\programs\\python\\python35-32\\scripts\\pip.exe'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\site-packages\pip\basecommand.py", line 209, in main
logger.critical(
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\site-packages\pip\commands\install.py", line 317, in run
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\site-packages\pip\req\req_set.py", line 743, in install
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\site-packages\pip\req\req_install.py", line 759, in commit_uninstall
self.uninstalled.rollback()
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\site-packages\pip\req\req_uninstall.py", line 142, in commit
rmtree(self.save_dir)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\site-packages\pip\_vendor\retrying.py", line 49, in wrapped_f
return Retrying(*dargs, **dkw).call(f, *args, **kw)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\site-packages\pip\_vendor\retrying.py", line 212, in call
raise attempt.get()
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\site-packages\pip\_vendor\retrying.py", line 247, in get
six.reraise(self.value[0], self.value[1], self.value[2])
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\site-packages\pip\_vendor\six.py", line 686, in reraise
raise value
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\site-packages\pip\_vendor\retrying.py", line 200, in call
attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\site-packages\pip\utils\__init__.py", line 102, in rmtree
onerror=rmtree_errorhandler)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\shutil.py", line 488, in rmtree
return _rmtree_unsafe(path, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\shutil.py", line 378, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\shutil.py", line 378, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32 \lib\shutil.py", line 378, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\shutil.py", line 378, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\shutil.py", line 378, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\shutil.py", line 378, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\shutil.py", line 378, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\shutil.py", line 378, in _rmtree_unsafe
_rmtree_unsafe(fullname, onerror)
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\shutil.py", line 383, in _rmtree_unsafe
onerror(os.unlink, fullname, sys.exc_info())
File "c:\users\pentazoid\appdata\local\programs\python\python35-32\lib\site-packages\pip\utils\__init__.py", line 114, in rmtree_errorhandler
func(path)
PermissionError: [WinError 5] Access is denied: 'C:\\Users\\PENTAZ~1 \\AppData\\Local\\Temp\\pip-nvouvrx2-uninstall\\users\\pentazoid\\appdata\\local \\programs\\python\\python35-32\\scripts\\pip.exe'
我在win32上使用Python 3.5.2（v3.5.2：4def2a2901a5，2016年6月25日，22：01：18）[MSC v.1900 32位（英特尔）]，但matplotlib-1.5.1-cp35-none-win_amd64.whl似乎是我拥有的python版本唯一可用的matplotlib包