Python 使用pip错误安装matplotlib（使用raspberry pi 3b）

我无法安装matplotlib。我用的是覆盆子皮3b

我在用这个

pip --no-cache-dir install matplotlib 

安装matplotlib。一开始一切都很好。但在最后一部分， 我得到这个错误：

Exception:
Traceback (most recent call last):
File "/home/pi/.local/lib/python2.7/site-packages/pip/basecommand.py", 
line 215, in main
status = self.run(options, args)
File "/home/pi/.local/lib/python2.7/site-
packages/pip/commands/install.py", line 342, in run
prefix=options.prefix_path,
File "/home/pi/.local/lib/python2.7/site-packages/pip/req/req_set.py", 
line 784, in install
**kwargs
File "/home/pi/.local/lib/python2.7/site-
packages/pip/req/req_install.py", line 851, in install
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
File "/home/pi/.local/lib/python2.7/site-
packages/pip/req/req_install.py", line 1064, in move_wheel_files
isolated=self.isolated,
File "/home/pi/.local/lib/python2.7/site-packages/pip/wheel.py", line 
345, in move_wheel_files
clobber(source, lib_dir, True)
File "/home/pi/.local/lib/python2.7/site-packages/pip/wheel.py", line 
316, in clobber
ensure_dir(destdir)
File "/home/pi/.local/lib/python2.7/site-packages/pip/utils/__init__.py", 
line 83, in ensure_dir
os.makedirs(path)
File "/usr/lib/python2.7/os.py", line 157, in makedirs
mkdir(name, mode)
OSError: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-
packages/backports.functools_lru_cache-1.5.dist-info'

---

如果要在系统范围内安装它或创建虚拟机，请使用

sudo-H pip install matplotlib

，然后使用

pip install matplotlib

在虚拟机上安装它。

不工作显示：它有内存错误您发布的错误日志在尝试创建目录时显示权限错误。您在尝试使用

sudo

时是否遇到了不同的错误？看起来可能会，但速度很慢。是否安装了它？