回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>我在使用pip安装时得到了这个。</p>
<pre><code>> pip install cognitive_face
Collecting cognitive_face
Using cached cognitive_face-1.2.5.tar.gz
Collecting requests (from cognitive_face)
Using cached requests-2.13.0-py2.py3-none-any.whl
Installing collected packages: requests, cognitive-face
Exception:
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/commands/install.py", line 342, in run
prefix=options.prefix_path,
File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_set.py", line 784, in install
**kwargs
File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_install.py", line 851, in install
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_install.py", line 1064, in move_wheel_files
isolated=self.isolated,
File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/wheel.py", line 345, in move_wheel_files
clobber(source, lib_dir, True)
File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/wheel.py", line 316, in clobber
ensure_dir(destdir)
File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/utils/__init__.py", line 83, in ensure_dir
os.makedirs(path)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 157, in makedirs
mkdir(name, mode)
OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/requests'
</code></pre>
<p>我可以在我的<code>/usr/local/bin</code>中找到文件“python3”和“python3.6”,在<code>/usr/local/Cellar</code>中找到文件夹“python3”。</p>
<p>另外,我的emacs25不能<code>run-python</code>并显示:</p>
^{pr2}$
<p>操作系统版本:<code>10.12.3</code></p>